IPod Touch

IPod Touch

Discussion
Ask a question about 'IPod Touch'
Start a new discussion about 'IPod Touch'
Answer questions from other users
Full Discussion Forum
 
Encyclopedia
The iPod Touch is a portable media player
Portable media player
A portable media player or digital audio player, is a consumer electronics device that is capable of storing and playing digital media such as audio, images, video, documents, etc. the data is typically stored on a hard drive, microdrive, or flash memory. In contrast, analog portable audio...

, personal digital assistant
Personal digital assistant
A personal digital assistant , also known as a palmtop computer, or personal data assistant, is a mobile device that functions as a personal information manager. Current PDAs often have the ability to connect to the Internet...

, handheld game console
Handheld game console
A handheld game console is a lightweight, portable electronic device with a built-in screen, game controls and speakers. Handheld game consoles are run on machines of small size allowing people to carry them and play them at any time or place...

, and Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 mobile device designed and marketed by Apple Inc. The iPod Touch adds the multi-touch
Multi-touch
In computing, multi-touch refers to a touch sensing surface's ability to recognize the presence of two or more points of contact with the surface...

 graphical user interface
Graphical user interface
In computing, a graphical user interface is a type of user interface that allows users to interact with electronic devices with images rather than text commands. GUIs can be used in computers, hand-held devices such as MP3 players, portable media players or gaming devices, household appliances and...

 to the iPod
IPod
iPod is a line of portable media players created and marketed by Apple Inc. The product line-up currently consists of the hard drive-based iPod Classic, the touchscreen iPod Touch, the compact iPod Nano, and the ultra-compact iPod Shuffle...

 line. It is the first iPod with wireless access to the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

, and also has access to Apple's App Store, enabling content to be purchased and downloaded directly on the device. As of March 2011, Apple has sold over 60 million iPod Touch units.

Software


The iPod Touch runs iOS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

. The first major update after the initial release was iPhone OS 2.0 This update introduced the App Store, which allowed third-party applications for the first time. iPhone OS 2.0 debuted July 11, 2008. iPhone users received the update for free, while iPod Touch users had to pay for the update. The second major update to the operating system, iPhone OS 3.0, was released June 17, 2009. iPhone OS 3.0 added features such as cut, copy, and paste; data tethering; and push notification support. As with the previous major release, iPhone users received the update for free, while iPod Touch users had to pay for the update. iOS 4.0 was made available to the public on June 21, 2010. It was the first major iOS release to drop support for some devices; the first generation iPod Touch and original iPhone are not supported in iOS 4.0. The iPhone 3G and second generation iPod Touch had limited functionality under iOS 4.0, while the iPhone 4, iPhone 3GS, third generation iPod Touch, and fourth generation iPod Touch had full functionality under iOS 4.0. The major features introduced in iOS 4.0 included iBooks
IBooks
iBooks is an e-book application by Apple Inc. It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. At that time, it was described by Apple as being available only in the United States...

, FaceTime
FaceTime
FaceTime is a video calling software application and related protocol developed by Apple for supported mobile devices running the iOS, in addition to Macintosh computers running Mac OS X 10.6.6 and higher...

, and multitasking. iOS 5.0 was previewed to the public on June 6, 2011, and was released on October 12, 2011.

Apple has received criticism for charging iPod Touch owners for major iOS updates that iPhone owners receive for free, as well as excluding certain features from the iPod Touch software that are included in the iPhone. Apple has said that they can add features for free to the iPhone because the revenue from it is accounted for on a subscription basis under accounting rules, rather than as a one time payment. At WWDC in June 2010, Jobs announced that Apple had "found a way" to make subsequent OS upgrades available free to iPod Touch owners. However, iOS 4.0 and onwards isn't available for the first generation iPod Touch, and some features are only available for the 32 GB and 64 GB third generation iPod Touch released in September 2009 and the fourth generation iPod Touch released in 2010.

In June 2011, iOS 5, the fifth major release of iOS software, was announced at Apple's WWDC 2011. There will be added features in the new update, including notifications, messaging and reminders. On October 4, 2011 at Apple's "Let's Talk iPhone" event iOS 5 and the iPhone 4S were announced to the public with many new features such as Siri, iMessage and wireless upgrades; this software upgrade was released on October 12, 2011. No new iPod Touch specific changes were announced, other than a price drop and the option to choose between black and white.

Comparison to the iPhone


The iPod Touch and the iPhone
IPhone
The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 share essentially the same hardware and run the same iOS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 operating system. The iPod Touch lacks some of the iPhone's features and associated apps, such as access to cellular networks, GPS navigation and the built-in compass. Older models also lacked speakers and cameras. Although the SMS and Phone apps are included on the iPod Touch software, they are disabled and therefore not visible. Also, the sleep/wake button was on the opposite side, up until the release of the iPod Touch 4th generation. Since it doesn't need GPS and cellular components, the iPod Touch is slimmer and lighter than the iPhone. Steve Jobs
Steve Jobs
Steven Paul Jobs was an American businessman and inventor widely recognized as a charismatic pioneer of the personal computer revolution. He was co-founder, chairman, and chief executive officer of Apple Inc...

 once referred to the iPod Touch as "training wheels for the iPhone".

Another major difference is the quality of the back camera compared to the iPhone. While the iPod Touch, like the iPhone, allows for HD video recording, the iPhone camera still delivers higher quality photos to that of the iPod's.

Requirements


  • iTunes 10 or later
  • Mac OS 10.5 or later
  • Windows XP Home or Professional with Service Pack 3 or later

Setup and synchronization


For iPod Touch units bought before October 12, 2011, users must own a Mac or PC computer to be able to use the iPod. Users then must install iTunes and connect the iPod through a USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 port. The iPod will then be set up in iTunes. New iPods bought after October 12, 2011 have iOS 5.0 preloaded, and allow activation wirelessly, without the need of a PC or Mac.

Earlier iPod Touch units must be plugged into a computer to be synced. This will charge the iPod Touch and sync the music library, videos, pictures and back up data. iOS 5 enables the user to do all this from the device and send it to the iCloud
ICloud
iCloud is a cloud storage and cloud computing service from Apple Inc. announced on June 6, 2011 at the Apple Worldwide Developers Conference . The service allows users to store data such as music files on remote computer servers for download to multiple devices such as iPhones, iPods, iPads, and...

 service. It is not manageable by Mac OS X 10.4 Tiger.

Battery charging


Starting with the second generation, iPod Touch can only be charged from the 5 V
Volt
The volt is the SI derived unit for electric potential, electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery.- Definition :A single volt is defined as the...

 pin of the dock connector while most previous iPod models (including the original iPod Touch) could also be charged from the 12 V pin for FireWire power. This change dropped support for charging in vehicles equipped with a FireWire-based iPod connection. Most aftermarket manufacturers of such equipment offer cables and/or adapters which convert the vehicle's 12 V to 5 V.

Purchasing content


To purchase content on the iPod Touch, the user must create an Apple ID or have an existing account. With this account you may download music and videos from the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

, apps from the App Store, or books from the iBooks
IBooks
iBooks is an e-book application by Apple Inc. It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. At that time, it was described by Apple as being available only in the United States...

tore. An Apple ID account created without a credit card can be used to get free content.

Third-party applications


The only official way to obtain third-party applications for the iPod Touch is Apple's App Store, which is a branch of iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

. The App Store application, available in all versions of iOS from 2.0 onwards, allows users to browse and download applications from a single online repository (hosted by Apple) with the iTunes Store. To develop such software, a software development kit
Software development kit
A software development kit is typically a set of software development tools that allows for the creation of applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar platform.It may be something as simple...

 (SDK) was officially announced on March 6, 2008, at an Apple Town Hall meeting. The iPhone SDK
IPhone SDK
The iOS SDK is a software development kit developed by Apple Inc. and released in February 2008 to develop native applications for iOS.-History:...

 allows developers to make applications for the iPhone and iPod Touch after paying a fee to join the development team. The developer can then set the price for the applications they develop and will receive 70% of money earned. Apple retains 30% of the sale price with no minimum fixed fee.

Hacks


Shortly after the iPhone (then also the iPod Touch) was released, hackers
Hacker (computer security)
In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...

 were able to "jailbreak" the device through a TIFF
Tagged Image File Format
TIFF is a file format for storing images, popular among graphic artists, the publishing industry, and both amateur and professional photographers in general. As of 2009, it is under the control of Adobe Systems...

 exploit. The application installed by this exploit enabled the user to download a selection of unofficial third-party programs. Jailbreaking the iPod Touch was the only way to get third-party programs when running 1.1.x OSes. These third-party programs could use additional functionality not supported by Apple (such as enabling multitasking, applying themes to the home screen, or enabling a battery percentage indicator). All officially released versions of iOS through 3.1.2 though 4.3.3 with some bugs, can be jailbroken, but version 4.3.1 could not at the time it was released. Recently, the 4.3.X firmware has been jailbroken untethered by @i0nic. Servicing an iPod Touch after jailbreaking or other modifications made by unofficial means is not covered by Apple's warranty (however, the jailbreaking process is easily undone by performing a restore through iTunes). Today every firmware of the iPod Touch can be jailbroken from 1.1.1 to 5.0 (Tethered jailbreak on 4.3.4 and 4.3.5 and Semi-tethered on 5.0).

On July 7, 2011, Apple announced that in new versions of the iOS software, a security problem would be fixed. Users who install their own software without Apple's protections can have their information stolen or unwitttingly download malware
Malware
Malware, short for malicious software, consists of programming that is designed to disrupt or deny operation, gather information that leads to loss of privacy or exploitation, or gain unauthorized access to system resources, or that otherwise exhibits abusive behavior...

 by clicking on certain PDF files. This discovery of "critical weaknesses" was made by the German Federal Office for Information Security
Federal Office for Information Security
The Bundesamt für Sicherheit in der Informationstechnik is the German government agency in charge of managing computer and communication security for the German government...

.

Models


Model Picture Capacity RAM Connection Original release date Minimum OS to sync Rated battery life (hours)
1st generation 8 GB
16 GB
32 GB
128 MB USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 via Dock connector
Dock Connector
A dock connector is a connector used to attach a mobile electronic device simultaneously to multiple external resources. The dock connector will typically carry a variety of signals and power, through a single connector, to simplify the process of docking the mobile device...

(FireWire for charging only)
September 5, 2007 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 22
video: 5
The first generation iPod Touch was launched on September 5, 2007, at an event called The Beat Goes On. First iPod with Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 and a Multi-Touch
Multi-touch
In computing, multi-touch refers to a touch sensing surface's ability to recognize the presence of two or more points of contact with the surface...

 interface. Features Safari web browser
Safari (web browser)
Safari is a web browser developed by Apple Inc. and included with the Mac OS X and iOS operating systems. First released as a public beta on January 7, 2003 on the company's Mac OS X operating system, it became Apple's default browser beginning with Mac OS X v10.3 "Panther". Safari is also the...

 and wireless access to the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

 and YouTube. 32 GB and 16 GB versions later added (32 GB in 2008). iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 2.0 and App Store access require an upgrade fee. iOS 4.0 and later updates of iOS 4.x are no longer supported due to the outdated hardware.
2nd generation 8 GB
16 GB
32 GB
128 MB USB via Dock connector September 9, 2008 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 36
video: 6
The second generation iPod Touch featured a new tapered chrome back with Nike+
Nike+iPod
The Nike+iPod Sports Kit is a device which measures and records the distance and pace of a walk or run. The Nike+iPod consists of a small accelerometer attached to or embedded in a shoe, which communicates with either the Nike+ Sportband, a receiver plugged into an iPod Nano, or directly with a...

 functionality, volume buttons, and built-in speaker added, It was unveiled on September 9, 2008, at the "Let's Rock" keynote presentation. iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 2.0 and App Store access standard. Bluetooth support added but not made active until iPhone OS 3.0, which requires an upgrade fee. Support for external microphone and remote added. The 8 GB model was re-introduced alongside the 3rd generation iPod Touch in September 2009, and included the newer iPhone OS 3.1. iOS 4 was released for free for second generation iPod Touch models June 21, 2010, but included a limited selection of features. Future iOS software updates no longer supported (As of iOS 4.2.1). The 2nd generation also comes with the chrome frame seen on the iPhone 3G, making the two almost identical when viewed from the front. However, there are some notable differences, as there is no speaker above the screen, no silent/ringer switch, the back is metal, and the sleep/wake button is on the other side. The 2nd generation also supports audio input when a headphone or earphone with microphone capabilities is plugged into the audio output (headphone) jack. The iPod Touch 2.0 Software Update supports WPA2 Enterprise with 802.1X authentication. The iPhone OS 3.0 update unlocked Bluetooth
Bluetooth
Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

 capability on the 2nd generation iPod Touch, as the included Wi-Fi chip (Broadcom
Broadcom
Broadcom Corporation is a fabless semiconductor company in the wireless and broadband communication business. The company is headquartered in Irvine, California, USA. Broadcom was founded by a professor-student pair Henry Samueli and Henry T. Nicholas III from the University of California, Los...

 BCM4325) has Bluetooth support. The 2nd generation iPod Touch is said to have a yellower cast/tint to the display, as compared to the iPhone or the original iPod Touch. The applications processor inside the 2nd generation iPod Touch runs slightly faster than the processor inside the iPhone 3G, but slower than the iPhone 3GS. The first generation iPod Touch works with all "Made for iPod" peripherals, but certain changes that Apple made to the 2nd generation iPod Touch prevent some existing peripherals from recharging the updated player. The Google Street View feature added on iPhone firmware version 2.2 is absent from the same version of firmware released on the iPod Touch, but is found in the 3.0 update.
The 2nd and 3rd generation iPod Touch can be updated to iOS 4.x for free, but cannot take advantage of features using the iPhone's camera or GPS receiver. The 2nd generation iPod Touch is further unable to take advantage of iOS 4's multitasking and home screen background customization features, unless the firmware is modified (through jailbreaking), and cannot be upgraded beyond iOS version 4.2.1. Later updates of iOS beyond 4.2.1 are no longer supported due to the outdated hardware. The iPod Touch (2nd generation) is model A1288.
3rd generation
32 GB
64 GB
256 MB USB via Dock connector September 9, 2009 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 30
video: 6
The 32 GB and 64 GB models were updated to include the upgraded RAM, CPU and GPU internals from the iPhone 3GS; they include Voice Control support, VoiceOver, included iPhone OS version 3.x, and bundled remote earphones with microphone. The 3rd generation iPod Touch with iPhone OS 3.1
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 was announced and subsequently released on September 9, 2009. Apple's published technical specifications for the 3rd generation iPod Touch only include references to the 32 GB and 64 GB models.
Following the introduction of the 3rd generation iPod Touch, Apple also continued offering the 2nd generation 8 GB version, upgraded to the same iPhone OS version as the new 3rd generation devices. The iPod Touch (3rd generation) is model A1318. Apple as well sold many refurbished iPod Touch 2nd generation models with the 3rd generation software effectively making them a 3rd generation unit. These can be identified by software version 4.3.5.
4th generation 8 GB
32 GB
64 GB
256 MB USB via Dock connector September 1, 2010 Mac: 10.5 or later
Mac OS X v10.5
Mac OS X Leopard is the sixth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Leopard was released on 26 October 2007 as the successor of Tiger , and is available in two variants: a desktop version suitable for personal computers, and a...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 40
video: 7
Apple unveiled the 4th generation iPod Touch on September 1, 2010. It features a front-facing camera for FaceTime
FaceTime
FaceTime is a video calling software application and related protocol developed by Apple for supported mobile devices running the iOS, in addition to Macintosh computers running Mac OS X 10.6.6 and higher...

, the iPhone 4's Retina display without an IPS screen, support for recording 720p video and 960 x 720 still photos via a back camera, Apple's A4 chip, a built-in microphone, and a 3-axis gyroscope. For the appearance note also that the blank display has a significantly darker and more glossy tint than the previous models, as the higher pixel density absorbs a wider spectrum, darkening the reflection. On October 12, 2011, the iPod Touch 4th-generation began shipping with iOS 5.0 pre-installed for PC-free activation. Also, an additional color option, white, was made available.

Specifications

Legend
Discontinued Current

Model 1st generation 2nd generation 3rd generation 4th generation
Pre-installed OS
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 1.1
iPhone OS 2.1.1
iOS 3.1.1 (updated 2G 8 GB MC model)
iPhone OS 3.1.1 iOS 4.1 (2010 release)
iOS 5.0 (2011 release)
Highest Supported OS
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

iPhone OS 3.1.3 iOS 4.2.1 Latest Release of iOS
Display
Display device
A display device is an output device for presentation of information in visual or tactile form...

3.5 in (89 mm); 2:3 aspect ratio
Aspect ratio
The aspect ratio of a shape is the ratio of its longer dimension to its shorter dimension. It may be applied to two characteristic dimensions of a three-dimensional shape, such as the ratio of the longest and shortest axis, or for symmetrical objects that are described by just two measurements,...

, 18-bit color depth
Color depth
In computer graphics, color depth or bit depth is the number of bits used to represent the color of a single pixel in a bitmapped image or video frame buffer. This concept is also known as bits per pixel , particularly when specified along with the number of bits used...

,
glossy glass-covered LED-backlit LCD screen, 480×320 px
Pixel
In digital imaging, a pixel, or pel, is a single point in a raster image, or the smallest addressable screen element in a display device; it is the smallest unit of picture that can be represented or controlled....

 (HVGA) at 163 PPI
Pixels per inch
Pixels per inch or pixel density is a measurement of the resolution of devices in various contexts; typically computer displays, image scanners, and digital camera image sensors....

3.5 in (89 mm); 2:3 aspect ratio; 24-bit color depth, glossy glass-covered LED-backlit LCD, 960x640 px at 326 PPI
System on chip Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8900
Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8720
Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8920
Apple A4
Apple A4
The Apple A4 is a package on package system-on-a-chip designed by Apple and manufactured by Samsung. It combines an ARM Cortex-A8 CPU with a PowerVR GPU, and emphasizes power efficiency. The chip commercially debuted with the release of Apple's iPad tablet; followed shortly by the iPhone 4...

 (Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8930)
CPU core
Central processing unit
The central processing unit is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has been in...

620 MHz
Hertz
The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications....

 (underclocked
Underclocking
Underclocking, also known as downclocking, is the practice of modifying a synchronous circuit's timing settings to run at a lower clock rate than it was specified to operate at. It may be said to be the computer equivalent of driving a car below the speed limit...

 to 412 MHz, originally 400 MHz)

{{pp-vandalism|small=yes}}
{{Use mdy dates|date=July 2011}}
{{Lowercase title}}
The iPod Touch (stylized and marketed as lowercase iPod touch; also colloquially referred to as the iTouch, by analogy to the
iPhone
IPhone
The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

) is a portable media player
Portable media player
A portable media player or digital audio player, is a consumer electronics device that is capable of storing and playing digital media such as audio, images, video, documents, etc. the data is typically stored on a hard drive, microdrive, or flash memory. In contrast, analog portable audio...

, personal digital assistant
Personal digital assistant
A personal digital assistant , also known as a palmtop computer, or personal data assistant, is a mobile device that functions as a personal information manager. Current PDAs often have the ability to connect to the Internet...

, handheld game console
Handheld game console
A handheld game console is a lightweight, portable electronic device with a built-in screen, game controls and speakers. Handheld game consoles are run on machines of small size allowing people to carry them and play them at any time or place...

, and Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 mobile device designed and marketed by Apple Inc. The iPod Touch adds the multi-touch
Multi-touch
In computing, multi-touch refers to a touch sensing surface's ability to recognize the presence of two or more points of contact with the surface...

 graphical user interface
Graphical user interface
In computing, a graphical user interface is a type of user interface that allows users to interact with electronic devices with images rather than text commands. GUIs can be used in computers, hand-held devices such as MP3 players, portable media players or gaming devices, household appliances and...

 to the iPod
IPod
iPod is a line of portable media players created and marketed by Apple Inc. The product line-up currently consists of the hard drive-based iPod Classic, the touchscreen iPod Touch, the compact iPod Nano, and the ultra-compact iPod Shuffle...

 line. It is the first iPod with wireless access to the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

, and also has access to Apple's App Store, enabling content to be purchased and downloaded directly on the device. As of March 2011, Apple has sold over 60 million iPod Touch units.

Software


The iPod Touch runs iOS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

. The first major update after the initial release was iPhone OS 2.0 This update introduced the App Store, which allowed third-party applications for the first time. iPhone OS 2.0 debuted July 11, 2008. iPhone users received the update for free, while iPod Touch users had to pay for the update. The second major update to the operating system, iPhone OS 3.0, was released June 17, 2009. iPhone OS 3.0 added features such as cut, copy, and paste; data tethering; and push notification support. As with the previous major release, iPhone users received the update for free, while iPod Touch users had to pay for the update. iOS 4.0 was made available to the public on June 21, 2010. It was the first major iOS release to drop support for some devices; the first generation iPod Touch and original iPhone are not supported in iOS 4.0. The iPhone 3G and second generation iPod Touch had limited functionality under iOS 4.0, while the iPhone 4, iPhone 3GS, third generation iPod Touch, and fourth generation iPod Touch had full functionality under iOS 4.0. The major features introduced in iOS 4.0 included iBooks
IBooks
iBooks is an e-book application by Apple Inc. It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. At that time, it was described by Apple as being available only in the United States...

, FaceTime
FaceTime
FaceTime is a video calling software application and related protocol developed by Apple for supported mobile devices running the iOS, in addition to Macintosh computers running Mac OS X 10.6.6 and higher...

, and multitasking. iOS 5.0 was previewed to the public on June 6, 2011, and was released on October 12, 2011.

Apple has received criticism for charging iPod Touch owners for major iOS updates that iPhone owners receive for free, as well as excluding certain features from the iPod Touch software that are included in the iPhone. Apple has said that they can add features for free to the iPhone because the revenue from it is accounted for on a subscription basis under accounting rules, rather than as a one time payment. At WWDC in June 2010, Jobs announced that Apple had "found a way" to make subsequent OS upgrades available free to iPod Touch owners. However, iOS 4.0 and onwards isn't available for the first generation iPod Touch, and some features are only available for the 32 GB and 64 GB third generation iPod Touch released in September 2009 and the fourth generation iPod Touch released in 2010.

In June 2011, iOS 5, the fifth major release of iOS software, was announced at Apple's WWDC 2011. There will be added features in the new update, including notifications, messaging and reminders. On October 4, 2011 at Apple's "Let's Talk iPhone" event iOS 5 and the iPhone 4S were announced to the public with many new features such as Siri, iMessage and wireless upgrades; this software upgrade was released on October 12, 2011. No new iPod Touch specific changes were announced, other than a price drop and the option to choose between black and white. {{Citation needed|date=October 2011}}

Comparison to the iPhone


{{main|List of iOS devices}}
{{See also|iOS|iOS version history}}

The iPod Touch and the iPhone
IPhone
The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 share essentially the same hardware and run the same iOS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 operating system. The iPod Touch lacks some of the iPhone's features and associated apps, such as access to cellular networks, GPS navigation and the built-in compass. Older models also lacked speakers and cameras. Although the SMS and Phone apps are included on the iPod Touch software, they are disabled and therefore not visible. Also, the sleep/wake button was on the opposite side, up until the release of the iPod Touch 4th generation. Since it doesn't need GPS and cellular components, the iPod Touch is slimmer and lighter than the iPhone. Steve Jobs
Steve Jobs
Steven Paul Jobs was an American businessman and inventor widely recognized as a charismatic pioneer of the personal computer revolution. He was co-founder, chairman, and chief executive officer of Apple Inc...

 once referred to the iPod Touch as "training wheels for the iPhone".

Another major difference is the quality of the back camera compared to the iPhone. While the iPod Touch, like the iPhone, allows for HD video recording, the iPhone camera still delivers higher quality photos to that of the iPod's.

Requirements


  • iTunes 10 or later
  • Mac OS 10.5 or later
  • Windows XP Home or Professional with Service Pack 3 or later

Setup and synchronization


For iPod Touch units bought before October 12, 2011, users must own a Mac or PC computer to be able to use the iPod. Users then must install iTunes and connect the iPod through a USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 port. The iPod will then be set up in iTunes. New iPods bought after October 12, 2011 have iOS 5.0 preloaded, and allow activation wirelessly, without the need of a PC or Mac.

Earlier iPod Touch units must be plugged into a computer to be synced. This will charge the iPod Touch and sync the music library, videos, pictures and back up data. iOS 5 enables the user to do all this from the device and send it to the iCloud
ICloud
iCloud is a cloud storage and cloud computing service from Apple Inc. announced on June 6, 2011 at the Apple Worldwide Developers Conference . The service allows users to store data such as music files on remote computer servers for download to multiple devices such as iPhones, iPods, iPads, and...

 service. It is not manageable by Mac OS X 10.4 Tiger.

Battery charging


Starting with the second generation, iPod Touch can only be charged from the 5 V
Volt
The volt is the SI derived unit for electric potential, electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery.- Definition :A single volt is defined as the...

 pin of the dock connector while most previous iPod models (including the original iPod Touch) could also be charged from the 12 V pin for FireWire power. This change dropped support for charging in vehicles equipped with a FireWire-based iPod connection. Most aftermarket manufacturers of such equipment offer cables and/or adapters which convert the vehicle's 12 V to 5 V.

Purchasing content


To purchase content on the iPod Touch, the user must create an Apple ID or have an existing account. With this account you may download music and videos from the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

, apps from the App Store, or books from the iBooks
IBooks
iBooks is an e-book application by Apple Inc. It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. At that time, it was described by Apple as being available only in the United States...

tore. An Apple ID account created without a credit card can be used to get free content.

Third-party applications


The only official way to obtain third-party applications for the iPod Touch is Apple's App Store, which is a branch of iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

. The App Store application, available in all versions of iOS from 2.0 onwards, allows users to browse and download applications from a single online repository (hosted by Apple) with the iTunes Store. To develop such software, a software development kit
Software development kit
A software development kit is typically a set of software development tools that allows for the creation of applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar platform.It may be something as simple...

 (SDK) was officially announced on March 6, 2008, at an Apple Town Hall meeting. The iPhone SDK
IPhone SDK
The iOS SDK is a software development kit developed by Apple Inc. and released in February 2008 to develop native applications for iOS.-History:...

 allows developers to make applications for the iPhone and iPod Touch after paying a fee to join the development team. The developer can then set the price for the applications they develop and will receive 70% of money earned. Apple retains 30% of the sale price with no minimum fixed fee.

Hacks


Shortly after the iPhone (then also the iPod Touch) was released, hackers
Hacker (computer security)
In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...

 were able to "jailbreak" the device through a TIFF
Tagged Image File Format
TIFF is a file format for storing images, popular among graphic artists, the publishing industry, and both amateur and professional photographers in general. As of 2009, it is under the control of Adobe Systems...

 exploit. The application installed by this exploit enabled the user to download a selection of unofficial third-party programs. Jailbreaking the iPod Touch was the only way to get third-party programs when running 1.1.x OSes. These third-party programs could use additional functionality not supported by Apple (such as enabling multitasking, applying themes to the home screen, or enabling a battery percentage indicator). All officially released versions of iOS through 3.1.2 though 4.3.3 with some bugs, can be jailbroken, but version 4.3.1 could not at the time it was released. Recently, the 4.3.X firmware has been jailbroken untethered by @i0nic. Servicing an iPod Touch after jailbreaking or other modifications made by unofficial means is not covered by Apple's warranty (however, the jailbreaking process is easily undone by performing a restore through iTunes). Today every firmware of the iPod Touch can be jailbroken from 1.1.1 to 5.0 (Tethered jailbreak on 4.3.4 and 4.3.5 and Semi-tethered on 5.0).{{Citation needed|date=July 2011}}

On July 7, 2011, Apple announced that in new versions of the iOS software, a security problem would be fixed. Users who install their own software without Apple's protections can have their information stolen or unwitttingly download malware
Malware
Malware, short for malicious software, consists of programming that is designed to disrupt or deny operation, gather information that leads to loss of privacy or exploitation, or gain unauthorized access to system resources, or that otherwise exhibits abusive behavior...

 by clicking on certain PDF files. This discovery of "critical weaknesses" was made by the German Federal Office for Information Security
Federal Office for Information Security
The Bundesamt für Sicherheit in der Informationstechnik is the German government agency in charge of managing computer and communication security for the German government...

.

Models


{{Main|List of iOS devices|List of iPod models}}
Model Picture Capacity RAM Connection Original release date Minimum OS to sync Rated battery life (hours)
1st generation 8 GB
16 GB
32 GB
128 MB USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 via Dock connector
Dock Connector
A dock connector is a connector used to attach a mobile electronic device simultaneously to multiple external resources. The dock connector will typically carry a variety of signals and power, through a single connector, to simplify the process of docking the mobile device...

(FireWire for charging only)
September 5, 2007 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 22
video: 5
The first generation iPod Touch was launched on September 5, 2007, at an event called The Beat Goes On. First iPod with Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 and a Multi-Touch
Multi-touch
In computing, multi-touch refers to a touch sensing surface's ability to recognize the presence of two or more points of contact with the surface...

 interface. Features Safari web browser
Safari (web browser)
Safari is a web browser developed by Apple Inc. and included with the Mac OS X and iOS operating systems. First released as a public beta on January 7, 2003 on the company's Mac OS X operating system, it became Apple's default browser beginning with Mac OS X v10.3 "Panther". Safari is also the...

 and wireless access to the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

 and YouTube. 32 GB and 16 GB versions later added (32 GB in {{discreet abbreviation|Feb|February}} 2008). iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 2.0 and App Store access require an upgrade fee. iOS 4.0 and later updates of iOS 4.x are no longer supported due to the outdated hardware.
2nd generation 8 GB
16 GB
32 GB
128 MB USB via Dock connector September 9, 2008 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 36
video: 6
The second generation iPod Touch featured a new tapered chrome back with Nike+
Nike+iPod
The Nike+iPod Sports Kit is a device which measures and records the distance and pace of a walk or run. The Nike+iPod consists of a small accelerometer attached to or embedded in a shoe, which communicates with either the Nike+ Sportband, a receiver plugged into an iPod Nano, or directly with a...

 functionality, volume buttons, and built-in speaker added, It was unveiled on September 9, 2008, at the "Let's Rock" keynote presentation. iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 2.0 and App Store access standard. Bluetooth support added but not made active until iPhone OS 3.0, which requires an upgrade fee. Support for external microphone and remote added. The 8 GB model was re-introduced alongside the 3rd generation iPod Touch in September 2009, and included the newer iPhone OS 3.1. iOS 4 was released for free for second generation iPod Touch models June 21, 2010, but included a limited selection of features. Future iOS software updates no longer supported (As of iOS 4.2.1). The 2nd generation also comes with the chrome frame seen on the iPhone 3G, making the two almost identical when viewed from the front. However, there are some notable differences, as there is no speaker above the screen, no silent/ringer switch, the back is metal, and the sleep/wake button is on the other side. The 2nd generation also supports audio input when a headphone or earphone with microphone capabilities is plugged into the audio output (headphone) jack. The iPod Touch 2.0 Software Update supports WPA2 Enterprise with 802.1X authentication. The iPhone OS 3.0 update unlocked Bluetooth
Bluetooth
Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

 capability on the 2nd generation iPod Touch, as the included Wi-Fi chip (Broadcom
Broadcom
Broadcom Corporation is a fabless semiconductor company in the wireless and broadband communication business. The company is headquartered in Irvine, California, USA. Broadcom was founded by a professor-student pair Henry Samueli and Henry T. Nicholas III from the University of California, Los...

 BCM4325) has Bluetooth support. The 2nd generation iPod Touch is said to have a yellower cast/tint to the display, as compared to the iPhone or the original iPod Touch. The applications processor inside the 2nd generation iPod Touch runs slightly faster than the processor inside the iPhone 3G, but slower than the iPhone 3GS. The first generation iPod Touch works with all "Made for iPod" peripherals, but certain changes that Apple made to the 2nd generation iPod Touch prevent some existing peripherals from recharging the updated player. The Google Street View feature added on iPhone firmware version 2.2 is absent from the same version of firmware released on the iPod Touch, but is found in the 3.0 update.
The 2nd and 3rd generation iPod Touch can be updated to iOS 4.x for free, but cannot take advantage of features using the iPhone's camera or GPS receiver. The 2nd generation iPod Touch is further unable to take advantage of iOS 4's multitasking and home screen background customization features, unless the firmware is modified (through jailbreaking), and cannot be upgraded beyond iOS version 4.2.1. Later updates of iOS beyond 4.2.1 are no longer supported due to the outdated hardware. The iPod Touch (2nd generation) is model A1288.
3rd generation
32 GB
64 GB
256 MB USB via Dock connector September 9, 2009 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 30
video: 6
The 32 GB and 64 GB models were updated to include the upgraded RAM, CPU and GPU internals from the iPhone 3GS; they include Voice Control support, VoiceOver, included iPhone OS version 3.x, and bundled remote earphones with microphone. The 3rd generation iPod Touch with iPhone OS 3.1
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 was announced and subsequently released on September 9, 2009. Apple's published technical specifications for the 3rd generation iPod Touch only include references to the 32 GB and 64 GB models.
Following the introduction of the 3rd generation iPod Touch, Apple also continued offering the 2nd generation 8 GB version, upgraded to the same iPhone OS version as the new 3rd generation devices. The iPod Touch (3rd generation) is model A1318. Apple as well sold many refurbished iPod Touch 2nd generation models with the 3rd generation software effectively making them a 3rd generation unit. These can be identified by software version 4.3.5.
4th generation 8 GB
32 GB
64 GB
256 MB USB via Dock connector September 1, 2010 Mac: 10.5 or later
Mac OS X v10.5
Mac OS X Leopard is the sixth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Leopard was released on 26 October 2007 as the successor of Tiger , and is available in two variants: a desktop version suitable for personal computers, and a...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 40
video: 7
Apple unveiled the 4th generation iPod Touch on September 1, 2010. It features a front-facing camera for FaceTime
FaceTime
FaceTime is a video calling software application and related protocol developed by Apple for supported mobile devices running the iOS, in addition to Macintosh computers running Mac OS X 10.6.6 and higher...

, the iPhone 4's Retina display without an IPS screen, support for recording 720p video and 960 x 720 still photos via a back camera, Apple's A4 chip, a built-in microphone, and a 3-axis gyroscope. For the appearance note also that the blank display has a significantly darker and more glossy tint than the previous models, as the higher pixel density absorbs a wider spectrum, darkening the reflection.{{Citation needed|date=August 2011}} On October 12, 2011, the iPod Touch 4th-generation began shipping with iOS 5.0 pre-installed for PC-free activation. Also, an additional color option, white, was made available.

Specifications

Legend
Discontinued Current

Model 1st generation 2nd generation 3rd generation 4th generation
Pre-installed OS
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 1.1
iPhone OS 2.1.1
iOS 3.1.1 (updated 2G 8 GB MC model)
iPhone OS 3.1.1 iOS 4.1 (2010 release)
iOS 5.0 (2011 release)
Highest Supported OS
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

iPhone OS 3.1.3 iOS 4.2.1 Latest Release of iOS
Display
Display device
A display device is an output device for presentation of information in visual or tactile form...

3.5 in (89 mm); 2:3 aspect ratio
Aspect ratio
The aspect ratio of a shape is the ratio of its longer dimension to its shorter dimension. It may be applied to two characteristic dimensions of a three-dimensional shape, such as the ratio of the longest and shortest axis, or for symmetrical objects that are described by just two measurements,...

, 18-bit color depth
Color depth
In computer graphics, color depth or bit depth is the number of bits used to represent the color of a single pixel in a bitmapped image or video frame buffer. This concept is also known as bits per pixel , particularly when specified along with the number of bits used...

,
glossy glass-covered LED-backlit LCD screen, 480×320 px
Pixel
In digital imaging, a pixel, or pel, is a single point in a raster image, or the smallest addressable screen element in a display device; it is the smallest unit of picture that can be represented or controlled....

 (HVGA) at 163 PPI
Pixels per inch
Pixels per inch or pixel density is a measurement of the resolution of devices in various contexts; typically computer displays, image scanners, and digital camera image sensors....

3.5 in (89 mm); 2:3 aspect ratio; 24-bit color depth, glossy glass-covered LED-backlit LCD, 960x640 px at 326 PPI
System on chip Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8900
Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8720
Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8920
Apple A4
Apple A4
The Apple A4 is a package on package system-on-a-chip designed by Apple and manufactured by Samsung. It combines an ARM Cortex-A8 CPU with a PowerVR GPU, and emphasizes power efficiency. The chip commercially debuted with the release of Apple's iPad tablet; followed shortly by the iPhone 4...

 (Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8930)
CPU core
Central processing unit
The central processing unit is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has been in...

620 MHz
Hertz
The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications....

 (underclocked
Underclocking
Underclocking, also known as downclocking, is the practice of modifying a synchronous circuit's timing settings to run at a lower clock rate than it was specified to operate at. It may be said to be the computer equivalent of driving a car below the speed limit...

 to 412 MHz, originally 400 MHz)

{{pp-vandalism|small=yes}}
{{Use mdy dates|date=July 2011}}
{{Lowercase title}}
The iPod Touch (stylized and marketed as lowercase iPod touch; also colloquially referred to as the iTouch, by analogy to the
iPhone
IPhone
The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

) is a portable media player
Portable media player
A portable media player or digital audio player, is a consumer electronics device that is capable of storing and playing digital media such as audio, images, video, documents, etc. the data is typically stored on a hard drive, microdrive, or flash memory. In contrast, analog portable audio...

, personal digital assistant
Personal digital assistant
A personal digital assistant , also known as a palmtop computer, or personal data assistant, is a mobile device that functions as a personal information manager. Current PDAs often have the ability to connect to the Internet...

, handheld game console
Handheld game console
A handheld game console is a lightweight, portable electronic device with a built-in screen, game controls and speakers. Handheld game consoles are run on machines of small size allowing people to carry them and play them at any time or place...

, and Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 mobile device designed and marketed by Apple Inc. The iPod Touch adds the multi-touch
Multi-touch
In computing, multi-touch refers to a touch sensing surface's ability to recognize the presence of two or more points of contact with the surface...

 graphical user interface
Graphical user interface
In computing, a graphical user interface is a type of user interface that allows users to interact with electronic devices with images rather than text commands. GUIs can be used in computers, hand-held devices such as MP3 players, portable media players or gaming devices, household appliances and...

 to the iPod
IPod
iPod is a line of portable media players created and marketed by Apple Inc. The product line-up currently consists of the hard drive-based iPod Classic, the touchscreen iPod Touch, the compact iPod Nano, and the ultra-compact iPod Shuffle...

 line. It is the first iPod with wireless access to the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

, and also has access to Apple's App Store, enabling content to be purchased and downloaded directly on the device. As of March 2011, Apple has sold over 60 million iPod Touch units.

Software


The iPod Touch runs iOS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

. The first major update after the initial release was iPhone OS 2.0 This update introduced the App Store, which allowed third-party applications for the first time. iPhone OS 2.0 debuted July 11, 2008. iPhone users received the update for free, while iPod Touch users had to pay for the update. The second major update to the operating system, iPhone OS 3.0, was released June 17, 2009. iPhone OS 3.0 added features such as cut, copy, and paste; data tethering; and push notification support. As with the previous major release, iPhone users received the update for free, while iPod Touch users had to pay for the update. iOS 4.0 was made available to the public on June 21, 2010. It was the first major iOS release to drop support for some devices; the first generation iPod Touch and original iPhone are not supported in iOS 4.0. The iPhone 3G and second generation iPod Touch had limited functionality under iOS 4.0, while the iPhone 4, iPhone 3GS, third generation iPod Touch, and fourth generation iPod Touch had full functionality under iOS 4.0. The major features introduced in iOS 4.0 included iBooks
IBooks
iBooks is an e-book application by Apple Inc. It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. At that time, it was described by Apple as being available only in the United States...

, FaceTime
FaceTime
FaceTime is a video calling software application and related protocol developed by Apple for supported mobile devices running the iOS, in addition to Macintosh computers running Mac OS X 10.6.6 and higher...

, and multitasking. iOS 5.0 was previewed to the public on June 6, 2011, and was released on October 12, 2011.

Apple has received criticism for charging iPod Touch owners for major iOS updates that iPhone owners receive for free, as well as excluding certain features from the iPod Touch software that are included in the iPhone. Apple has said that they can add features for free to the iPhone because the revenue from it is accounted for on a subscription basis under accounting rules, rather than as a one time payment. At WWDC in June 2010, Jobs announced that Apple had "found a way" to make subsequent OS upgrades available free to iPod Touch owners. However, iOS 4.0 and onwards isn't available for the first generation iPod Touch, and some features are only available for the 32 GB and 64 GB third generation iPod Touch released in September 2009 and the fourth generation iPod Touch released in 2010.

In June 2011, iOS 5, the fifth major release of iOS software, was announced at Apple's WWDC 2011. There will be added features in the new update, including notifications, messaging and reminders. On October 4, 2011 at Apple's "Let's Talk iPhone" event iOS 5 and the iPhone 4S were announced to the public with many new features such as Siri, iMessage and wireless upgrades; this software upgrade was released on October 12, 2011. No new iPod Touch specific changes were announced, other than a price drop and the option to choose between black and white. {{Citation needed|date=October 2011}}

Comparison to the iPhone


{{main|List of iOS devices}}
{{See also|iOS|iOS version history}}

The iPod Touch and the iPhone
IPhone
The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 share essentially the same hardware and run the same iOS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 operating system. The iPod Touch lacks some of the iPhone's features and associated apps, such as access to cellular networks, GPS navigation and the built-in compass. Older models also lacked speakers and cameras. Although the SMS and Phone apps are included on the iPod Touch software, they are disabled and therefore not visible. Also, the sleep/wake button was on the opposite side, up until the release of the iPod Touch 4th generation. Since it doesn't need GPS and cellular components, the iPod Touch is slimmer and lighter than the iPhone. Steve Jobs
Steve Jobs
Steven Paul Jobs was an American businessman and inventor widely recognized as a charismatic pioneer of the personal computer revolution. He was co-founder, chairman, and chief executive officer of Apple Inc...

 once referred to the iPod Touch as "training wheels for the iPhone".

Another major difference is the quality of the back camera compared to the iPhone. While the iPod Touch, like the iPhone, allows for HD video recording, the iPhone camera still delivers higher quality photos to that of the iPod's.

Requirements


  • iTunes 10 or later
  • Mac OS 10.5 or later
  • Windows XP Home or Professional with Service Pack 3 or later

Setup and synchronization


For iPod Touch units bought before October 12, 2011, users must own a Mac or PC computer to be able to use the iPod. Users then must install iTunes and connect the iPod through a USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 port. The iPod will then be set up in iTunes. New iPods bought after October 12, 2011 have iOS 5.0 preloaded, and allow activation wirelessly, without the need of a PC or Mac.

Earlier iPod Touch units must be plugged into a computer to be synced. This will charge the iPod Touch and sync the music library, videos, pictures and back up data. iOS 5 enables the user to do all this from the device and send it to the iCloud
ICloud
iCloud is a cloud storage and cloud computing service from Apple Inc. announced on June 6, 2011 at the Apple Worldwide Developers Conference . The service allows users to store data such as music files on remote computer servers for download to multiple devices such as iPhones, iPods, iPads, and...

 service. It is not manageable by Mac OS X 10.4 Tiger.

Battery charging


Starting with the second generation, iPod Touch can only be charged from the 5 V
Volt
The volt is the SI derived unit for electric potential, electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery.- Definition :A single volt is defined as the...

 pin of the dock connector while most previous iPod models (including the original iPod Touch) could also be charged from the 12 V pin for FireWire power. This change dropped support for charging in vehicles equipped with a FireWire-based iPod connection. Most aftermarket manufacturers of such equipment offer cables and/or adapters which convert the vehicle's 12 V to 5 V.

Purchasing content


To purchase content on the iPod Touch, the user must create an Apple ID or have an existing account. With this account you may download music and videos from the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

, apps from the App Store, or books from the iBooks
IBooks
iBooks is an e-book application by Apple Inc. It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. At that time, it was described by Apple as being available only in the United States...

tore. An Apple ID account created without a credit card can be used to get free content.

Third-party applications


The only official way to obtain third-party applications for the iPod Touch is Apple's App Store, which is a branch of iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

. The App Store application, available in all versions of iOS from 2.0 onwards, allows users to browse and download applications from a single online repository (hosted by Apple) with the iTunes Store. To develop such software, a software development kit
Software development kit
A software development kit is typically a set of software development tools that allows for the creation of applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar platform.It may be something as simple...

 (SDK) was officially announced on March 6, 2008, at an Apple Town Hall meeting. The iPhone SDK
IPhone SDK
The iOS SDK is a software development kit developed by Apple Inc. and released in February 2008 to develop native applications for iOS.-History:...

 allows developers to make applications for the iPhone and iPod Touch after paying a fee to join the development team. The developer can then set the price for the applications they develop and will receive 70% of money earned. Apple retains 30% of the sale price with no minimum fixed fee.

Hacks


Shortly after the iPhone (then also the iPod Touch) was released, hackers
Hacker (computer security)
In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...

 were able to "jailbreak" the device through a TIFF
Tagged Image File Format
TIFF is a file format for storing images, popular among graphic artists, the publishing industry, and both amateur and professional photographers in general. As of 2009, it is under the control of Adobe Systems...

 exploit. The application installed by this exploit enabled the user to download a selection of unofficial third-party programs. Jailbreaking the iPod Touch was the only way to get third-party programs when running 1.1.x OSes. These third-party programs could use additional functionality not supported by Apple (such as enabling multitasking, applying themes to the home screen, or enabling a battery percentage indicator). All officially released versions of iOS through 3.1.2 though 4.3.3 with some bugs, can be jailbroken, but version 4.3.1 could not at the time it was released. Recently, the 4.3.X firmware has been jailbroken untethered by @i0nic. Servicing an iPod Touch after jailbreaking or other modifications made by unofficial means is not covered by Apple's warranty (however, the jailbreaking process is easily undone by performing a restore through iTunes). Today every firmware of the iPod Touch can be jailbroken from 1.1.1 to 5.0 (Tethered jailbreak on 4.3.4 and 4.3.5 and Semi-tethered on 5.0).{{Citation needed|date=July 2011}}

On July 7, 2011, Apple announced that in new versions of the iOS software, a security problem would be fixed. Users who install their own software without Apple's protections can have their information stolen or unwitttingly download malware
Malware
Malware, short for malicious software, consists of programming that is designed to disrupt or deny operation, gather information that leads to loss of privacy or exploitation, or gain unauthorized access to system resources, or that otherwise exhibits abusive behavior...

 by clicking on certain PDF files. This discovery of "critical weaknesses" was made by the German Federal Office for Information Security
Federal Office for Information Security
The Bundesamt für Sicherheit in der Informationstechnik is the German government agency in charge of managing computer and communication security for the German government...

.

Models


{{Main|List of iOS devices|List of iPod models}}
Model Picture Capacity RAM Connection Original release date Minimum OS to sync Rated battery life (hours)
1st generation 8 GB
16 GB
32 GB
128 MB USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 via Dock connector
Dock Connector
A dock connector is a connector used to attach a mobile electronic device simultaneously to multiple external resources. The dock connector will typically carry a variety of signals and power, through a single connector, to simplify the process of docking the mobile device...

(FireWire for charging only)
September 5, 2007 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 22
video: 5
The first generation iPod Touch was launched on September 5, 2007, at an event called The Beat Goes On. First iPod with Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 and a Multi-Touch
Multi-touch
In computing, multi-touch refers to a touch sensing surface's ability to recognize the presence of two or more points of contact with the surface...

 interface. Features Safari web browser
Safari (web browser)
Safari is a web browser developed by Apple Inc. and included with the Mac OS X and iOS operating systems. First released as a public beta on January 7, 2003 on the company's Mac OS X operating system, it became Apple's default browser beginning with Mac OS X v10.3 "Panther". Safari is also the...

 and wireless access to the iTunes Store
ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

 and YouTube. 32 GB and 16 GB versions later added (32 GB in {{discreet abbreviation|Feb|February}} 2008). iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 2.0 and App Store access require an upgrade fee. iOS 4.0 and later updates of iOS 4.x are no longer supported due to the outdated hardware.
2nd generation 8 GB
16 GB
32 GB
128 MB USB via Dock connector September 9, 2008 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 36
video: 6
The second generation iPod Touch featured a new tapered chrome back with Nike+
Nike+iPod
The Nike+iPod Sports Kit is a device which measures and records the distance and pace of a walk or run. The Nike+iPod consists of a small accelerometer attached to or embedded in a shoe, which communicates with either the Nike+ Sportband, a receiver plugged into an iPod Nano, or directly with a...

 functionality, volume buttons, and built-in speaker added, It was unveiled on September 9, 2008, at the "Let's Rock" keynote presentation. iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 2.0 and App Store access standard. Bluetooth support added but not made active until iPhone OS 3.0, which requires an upgrade fee. Support for external microphone and remote added. The 8 GB model was re-introduced alongside the 3rd generation iPod Touch in September 2009, and included the newer iPhone OS 3.1. iOS 4 was released for free for second generation iPod Touch models June 21, 2010, but included a limited selection of features. Future iOS software updates no longer supported (As of iOS 4.2.1). The 2nd generation also comes with the chrome frame seen on the iPhone 3G, making the two almost identical when viewed from the front. However, there are some notable differences, as there is no speaker above the screen, no silent/ringer switch, the back is metal, and the sleep/wake button is on the other side. The 2nd generation also supports audio input when a headphone or earphone with microphone capabilities is plugged into the audio output (headphone) jack. The iPod Touch 2.0 Software Update supports WPA2 Enterprise with 802.1X authentication. The iPhone OS 3.0 update unlocked Bluetooth
Bluetooth
Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

 capability on the 2nd generation iPod Touch, as the included Wi-Fi chip (Broadcom
Broadcom
Broadcom Corporation is a fabless semiconductor company in the wireless and broadband communication business. The company is headquartered in Irvine, California, USA. Broadcom was founded by a professor-student pair Henry Samueli and Henry T. Nicholas III from the University of California, Los...

 BCM4325) has Bluetooth support. The 2nd generation iPod Touch is said to have a yellower cast/tint to the display, as compared to the iPhone or the original iPod Touch. The applications processor inside the 2nd generation iPod Touch runs slightly faster than the processor inside the iPhone 3G, but slower than the iPhone 3GS. The first generation iPod Touch works with all "Made for iPod" peripherals, but certain changes that Apple made to the 2nd generation iPod Touch prevent some existing peripherals from recharging the updated player. The Google Street View feature added on iPhone firmware version 2.2 is absent from the same version of firmware released on the iPod Touch, but is found in the 3.0 update.
The 2nd and 3rd generation iPod Touch can be updated to iOS 4.x for free, but cannot take advantage of features using the iPhone's camera or GPS receiver. The 2nd generation iPod Touch is further unable to take advantage of iOS 4's multitasking and home screen background customization features, unless the firmware is modified (through jailbreaking), and cannot be upgraded beyond iOS version 4.2.1. Later updates of iOS beyond 4.2.1 are no longer supported due to the outdated hardware. The iPod Touch (2nd generation) is model A1288.
3rd generation
32 GB
64 GB
256 MB USB via Dock connector September 9, 2009 Mac: 10.4 or later
Mac OS X v10.4
Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 30
video: 6
The 32 GB and 64 GB models were updated to include the upgraded RAM, CPU and GPU internals from the iPhone 3GS; they include Voice Control support, VoiceOver, included iPhone OS version 3.x, and bundled remote earphones with microphone. The 3rd generation iPod Touch with iPhone OS 3.1
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 was announced and subsequently released on September 9, 2009. Apple's published technical specifications for the 3rd generation iPod Touch only include references to the 32 GB and 64 GB models.
Following the introduction of the 3rd generation iPod Touch, Apple also continued offering the 2nd generation 8 GB version, upgraded to the same iPhone OS version as the new 3rd generation devices. The iPod Touch (3rd generation) is model A1318. Apple as well sold many refurbished iPod Touch 2nd generation models with the 3rd generation software effectively making them a 3rd generation unit. These can be identified by software version 4.3.5.
4th generation 8 GB
32 GB
64 GB
256 MB USB via Dock connector September 1, 2010 Mac: 10.5 or later
Mac OS X v10.5
Mac OS X Leopard is the sixth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Leopard was released on 26 October 2007 as the successor of Tiger , and is available in two variants: a desktop version suitable for personal computers, and a...


Win: XP
Windows XP
Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

, Vista
Windows Vista
Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

, 7
audio: 40
video: 7
Apple unveiled the 4th generation iPod Touch on September 1, 2010. It features a front-facing camera for FaceTime
FaceTime
FaceTime is a video calling software application and related protocol developed by Apple for supported mobile devices running the iOS, in addition to Macintosh computers running Mac OS X 10.6.6 and higher...

, the iPhone 4's Retina display without an IPS screen, support for recording 720p video and 960 x 720 still photos via a back camera, Apple's A4 chip, a built-in microphone, and a 3-axis gyroscope. For the appearance note also that the blank display has a significantly darker and more glossy tint than the previous models, as the higher pixel density absorbs a wider spectrum, darkening the reflection.{{Citation needed|date=August 2011}} On October 12, 2011, the iPod Touch 4th-generation began shipping with iOS 5.0 pre-installed for PC-free activation. Also, an additional color option, white, was made available.

Specifications

Legend
Discontinued Current

Model 1st generation 2nd generation 3rd generation 4th generation
Pre-installed OS
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

iPhone OS
IOS
iOS is an operating system for iPad, iPhone, iPod Touch, and Apple TV.IOS may also refer to:-Companies and organisations:* Illinois Ornithological Society, American state-based bird club...

 1.1
iPhone OS 2.1.1
iOS 3.1.1 (updated 2G 8 GB MC model)
iPhone OS 3.1.1 iOS 4.1 (2010 release)
iOS 5.0 (2011 release)
Highest Supported OS
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

iPhone OS 3.1.3 iOS 4.2.1 Latest Release of iOS
Display
Display device
A display device is an output device for presentation of information in visual or tactile form...

3.5 in (89 mm); 2:3 aspect ratio
Aspect ratio
The aspect ratio of a shape is the ratio of its longer dimension to its shorter dimension. It may be applied to two characteristic dimensions of a three-dimensional shape, such as the ratio of the longest and shortest axis, or for symmetrical objects that are described by just two measurements,...

, 18-bit color depth
Color depth
In computer graphics, color depth or bit depth is the number of bits used to represent the color of a single pixel in a bitmapped image or video frame buffer. This concept is also known as bits per pixel , particularly when specified along with the number of bits used...

,
glossy glass-covered LED-backlit LCD screen, 480×320 px
Pixel
In digital imaging, a pixel, or pel, is a single point in a raster image, or the smallest addressable screen element in a display device; it is the smallest unit of picture that can be represented or controlled....

 (HVGA) at 163 PPI
Pixels per inch
Pixels per inch or pixel density is a measurement of the resolution of devices in various contexts; typically computer displays, image scanners, and digital camera image sensors....

3.5 in (89 mm); 2:3 aspect ratio; 24-bit color depth, glossy glass-covered LED-backlit LCD, 960x640 px at 326 PPI
System on chip Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8900
Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8720
Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8920
Apple A4
Apple A4
The Apple A4 is a package on package system-on-a-chip designed by Apple and manufactured by Samsung. It combines an ARM Cortex-A8 CPU with a PowerVR GPU, and emphasizes power efficiency. The chip commercially debuted with the release of Apple's iPad tablet; followed shortly by the iPhone 4...

 (Samsung
Samsung
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...

 S5L8930)
CPU core
Central processing unit
The central processing unit is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has been in...

620 MHz
Hertz
The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications....

 (underclocked
Underclocking
Underclocking, also known as downclocking, is the practice of modifying a synchronous circuit's timing settings to run at a lower clock rate than it was specified to operate at. It may be said to be the computer equivalent of driving a car below the speed limit...

 to 412 MHz, originally 400 MHz)
{{nowrap
ARM architecture
ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

620 MHz
Hertz
The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications....

 (underclocked to 533 MHz)
{{nowrap
ARM architecture
ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

833 MHz (underclocked to 600 MHz)
{{nowrap
ARM architecture
ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

1 GHz (underclocked to 800 MHz)
{{nowrap
ARM architecture
ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

GPU core
Graphics processing unit
A graphics processing unit or GPU is a specialized circuit designed to rapidly manipulate and alter memory in such a way so as to accelerate the building of images in a frame buffer intended for output to a display...

PowerVR
PowerVR
PowerVR is a division of Imagination Technologies that develops hardware and software for 2D and 3D rendering, and for video encoding, decoding, associated image processing and Direct X, OpenGL ES, OpenVG, and OpenCL acceleration....

 MBX Lite GPU
Graphics processing unit
A graphics processing unit or GPU is a specialized circuit designed to rapidly manipulate and alter memory in such a way so as to accelerate the building of images in a frame buffer intended for output to a display...

PowerVR
PowerVR
PowerVR is a division of Imagination Technologies that develops hardware and software for 2D and 3D rendering, and for video encoding, decoding, associated image processing and Direct X, OpenGL ES, OpenVG, and OpenCL acceleration....

 SGX535 GPU
Graphics processing unit
A graphics processing unit or GPU is a specialized circuit designed to rapidly manipulate and alter memory in such a way so as to accelerate the building of images in a frame buffer intended for output to a display...

Storage
Data storage device
thumb|200px|right|A reel-to-reel tape recorder .The magnetic tape is a data storage medium. The recorder is data storage equipment using a portable medium to store the data....

8, 16 and 32 GB
Gigabyte
The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...

32 and 64 GB 8, 32 and 64 GB
Memory 128 MB
Megabyte
The megabyte is a multiple of the unit byte for digital information storage or transmission with two different values depending on context: bytes generally for computer memory; and one million bytes generally for computer storage. The IEEE Standards Board has decided that "Mega will mean 1 000...

 DRAM
Dram
Dram or DRAM may refer to:As a unit of measure:* Dram , an imperial unit of mass and volume* Armenian dram, a monetary unit* Dirham, a unit of currency in several Arab nationsOther uses:...

256 MB DRAM
Connectivity Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 (802.11b/g),
USB 2.0
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

/Dock connector
Dock Connector
A dock connector is a connector used to attach a mobile electronic device simultaneously to multiple external resources. The dock connector will typically carry a variety of signals and power, through a single connector, to simplify the process of docking the mobile device...

In addition to previous:
Bluetooth 2.1 + EDR (requires iPhone OS
IPhone OS
iOS is Apple's mobile operating system. Originally developed for the iPhone, it has since been extended to support other Apple, Inc. devices such as the iPod Touch, iPad, and Apple TV. Apple, Inc. does not license iOS for installation on third-party hardware...

 3.0),
Built-in speaker, Hardware volume controls, Nike+
In addition to previous:
Voice Control,
Includes earphones with remote and mic
IPod earbuds
iPod earbuds are the iconic white earphones that ship with all music players designed and marketed by Apple Inc. These earphones are manufactured solely by the Fostex corporation of Japan.-History:...

In addition to previous:
802.11n (2.4 GHz only)
3-axis gyroscope
Gyroscope
A gyroscope is a device for measuring or maintaining orientation, based on the principles of angular momentum. In essence, a mechanical gyroscope is a spinning wheel or disk whose axle is free to take any orientation...


Microphone
Camera
Camera
A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura , an early mechanism for projecting images...

s
colspan=3 {{n/a}} Back (main): CMOS image sensor with video
Camcorder
A camcorder is an electronic device that combines a video camera and a video recorder into one unit. Equipment manufacturers do not seem to have strict guidelines for the term usage...

 (720p HD
720p
720p is the shorthand name for 1280x720, a category of High-definition television video modes having a resolution of 1080 or 720p and a progressive scan...

 at 30 frames/s
Frame rate
Frame rate is the frequency at which an imaging device produces unique consecutive images called frames. The term applies equally well to computer graphics, video cameras, film cameras, and motion capture systems...

);
Front: VGA-quality photos and video at up to 30 frames/s.
Audio processor
Audio signal processing
Audio signal processing, sometimes referred to as audio processing, is the intentional alteration of auditory signals, or sound. As audio signals may be electronically represented in either digital or analog format, signal processing may occur in either domain...

Wolfson Microelectronics
Wolfson Microelectronics
Wolfson Microelectronics plc is a multinational microelectronics and fabless semiconductor company headquartered in Edinburgh, United Kingdom. It specialises in signal processing chips for the consumer electronics market and has engineering and sales offices throughout Asia-Pacific, Europe and the...

 WM8758BG
Cirrus Logic
Cirrus Logic
Cirrus Logic is a fabless semiconductor supplier specializing in analog, mixed-signal, and audio DSP integrated circuits . They are presently headquartered in Austin, Texas. Their audio processors and audio converters are found in many professional audio and consumer entertainment products,...

 CS4398{{Citation needed|date=July 2010}}
Cirrus Logic CS4398 Cirrus Logic
Materials Glass display, stainless steel back and aluminum bezel; plastic for Wi-Fi antenna Glass display, contoured stainless steel back and bezel; plastic for Wi-Fi and Bluetooth antenna Glass display, stainless steel back and bezel
Color Black only Black or white
Power Built-in rechargeable lithium-ion polymer battery
3.7 V
Volt
The volt is the SI derived unit for electric potential, electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery.- Definition :A single volt is defined as the...

 2.15 W·h
Watt-hour
The kilowatt hour, or kilowatt-hour, is a unit of energy equal to 1000 watt hours or 3.6 megajoules.For constant power, energy in watt hours is the product of power in watts and time in hours...

 (580 mA·h
Ampere-hour
An ampere-hour or amp-hour is a unit of electric charge, with sub-units milliampere-hour and milliampere second...

){{Citation needed|date=February 2010}}
3.7 V 2.73 W·h (739 mA·h) 3.7 V 2.92 W·h (789 mA·h) 3.7 V 3.44 W·h (930 mA·h)
Rated battery life (hours) audio: 22
video: 5
audio: 36
video: 6
audio: 30
video: 6
audio: 40
video: 7
Dimensions 110 × 61.8 × 8 mm (4.3 × 2.4 × 0.31 in) 110 × 61.8 × 8.5 mm (4.3 × 2.4 × 0.33 in) 111 × 58.9 × 7.2 mm (4.4 × 2.3 × 0.28 in)
Weight 120 g
Gram
The gram is a metric system unit of mass....

 (4.2 oz
Ounce
The ounce is a unit of mass with several definitions, the most commonly used of which are equal to approximately 28 grams. The ounce is used in a number of different systems, including various systems of mass that form part of the imperial and United States customary systems...

)
115 g (4.05 oz) 101 g (3.6 oz)
Released 8 and 16 GB: September 14, 2007
32 GB: February 5, 2008
September 9, 2008 September 9, 2009 Black: September 8, 2010
White: October 12, 2011
Discontinued Status September 9, 2008 16 and 32 GB: September 9, 2009
8 GB: September 1, 2010
September 12, 2010 Current

See also


{{Wikipedia-Books|Apple Inc.}}
  • Comparison of iPod managers
    Comparison of iPod Managers
    This article is about alternative software applications to manage iPod contents. This includes the transferring of music, photos, and videos between an iPod and a computer....

  • Comparison of portable media players
    Comparison of portable media players
    The following comparison of portable media players compares general and technical information for notable digital playback devices.- General :- Technical specifications :- Syncing and transfer :- Wifi Connectivity :- Audio formats :...

  • List of portable media players with Wi-Fi connectivity
  • List of iOS devices

External links


{{Commons|iPod touch}}
{{Portal box|Apple Inc.}}

{{iPod}}
{{iOS}}
{{Apple hardware since 1998}}
{{Apple}}

{{DEFAULTSORT:Ipod Touch}}