iPod Touch

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iPod Touch
IPodtouchlogo.svg
Blue iPod touch 5th Generation.png
Developer Apple Inc.
Manufacturer Foxconn
Release date
  •  ()October 11, 2012 (current generation)
  • September 5, 2007 (1st generation)
Units sold 100 million (as of May 2013)[1]
Operating system iOS
Power 3.7 V rechargeable lithium-ion battery, 3.8 Wh, 1030 mAh;
audio: 40 hours; video: 8 hours[2][3]
CPU ARM Cortex-A9 Apple A5 dual-core 1 GHz
Memory 512 MB DRAM[4]
Storage 8, 16, 32 & 64 GB flash memory
Display 4 in (102 mm), 800:1 contrast ratio (typical), 500 cd/m2 max. brightness (typical), Fingerprint-resistant oleophobic coating on front, 1136×640 px at 326 PPI
Input
Camera
Connectivity
Online services App Store, iTunes Store, iBookstore, iCloud, Passbook
Dimensions 123.4 mm (4.86 in) H
58.6 mm (2.31 in) W
6.1 mm (0.24 in) D
Weight 88 g (3.1 oz)
Related articles List of iOS devices
Website www.apple.com/ipodtouch

The iPod Touch (stylized and marketed as iPod touch) is a multi-purpose pocket computer designed and marketed by Apple Inc. with a user interface that is touchscreen-based. It can be used as a music and video player, digital camera, handheld game device, and personal digital assistant (PDA).[8] It connects to the Internet through Wi-Fi base stations and is therefore not a smartphone, though its design and iOS operating system are very similar to Apple's iPhone. As of May 2013, 100 million iPod Touch units have been sold.[1]

All models of the same generation typically consist of identical features, processors, and performance, in addition to available operating system upgrades, differing only in outer color and internal storage space. An exception was iPod Touch (fifth generation), as the low-end (16 GB) model was sold without a rear-facing iSight photographic camera and lacked the iPod Touch loop. However, on June 26, 2014, the 16 GB model was refreshed to include the rear-facing camera and more color options. The prices for every iPod Touch model were also dropped.[9]

Software[edit]

Main article: iOS

The iPod Touch runs Apple's Unix-based iOS operating system (called 'iPhone OS' until 2010) and includes bundled software to browse the Internet, view maps, send and receive email, view media, and work with office documents such as presentations and spreadsheets. Users type on a virtual keyboard displayed on the screen. Apple operates an online store, allowing users to buy and directly download music, videos and third-party software. From launch, the iPod Touch was described by journalists as an 'iPhone without the phone',[10] and each iPod Touch model to date has been introduced with the same release number of iOS as the contemporary iPhone model.

Successive updates to iOS since the initial release in 2007 have released additional features. iPhone OS 2.0, released on July 11, 2008, introduced the App Store, which allowed third-party applications for the first time. iPhone OS 3.0, released on June 17, 2009, added features such as cut, copy, and paste, data tethering and push notification support. iOS 4.0, released on June 21, 2010, introduced iBooks, FaceTime, and multitasking. It dropped support for the first generation iPod Touch.

In June 2011, iOS 5, the fifth major release of iOS software, was announced at Apple's WWDC 2011, which added notification, messaging and reminder features.[11] Apple limited some features, most notably the voice control system Siri, to the iPhone.[12] iOS 6, which was released on September 19, 2012 to the fourth and fifth generation iPod Touch models, contains 200 new features including Passbook, Facebook integration and Apple Maps. The fifth generation iPod Touch gained the ability to take panoramic photos, a feature shared with the iPhone 4S and iPhone 5.[13]

Recent iOS updates have been free for owners of supported iPod Touch models, but Apple received criticism for charging iPod Touch owners for versions 2.0 and 3.0, which iPhone owners received for free, and for excluding certain features from the iPod Touch software that the iPhone included.[14][15] Apple's position was that they could 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.[16] At WWDC in June 2010, as of iOS 4, Steve Jobs announced that Apple had "found a way" to make subsequent OS upgrades available free to iPod Touch owners.

Purchasing content[edit]

To purchase content on the iPod Touch, the user must create an Apple ID or have an existing account. With this account one may download music and videos from the iTunes Store, apps from the App Store, or books from the iBookstore. An Apple ID account created without a credit card can be used to get free content, and gift cards can be bought to pay for apps instead of using credit cards.

Third-party applications[edit]

Earbuds with an external microphone and controller are compatible with the 2nd generation iPod Touch, and are shipped with the 3rd generation iPod Touch devices (excluding the 8 GB model).

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. 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 (SDK) was officially announced on March 6, 2008, at an Apple Town Hall meeting.[17] The iOS SDK allows making 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.

User Made Modifications[edit]

Like all Apple's iOS devices, the iPod Touch is a tightly controlled or closed platform. Modifying or replacing the operating system violates the device warranty, communication between apps is limited and controlled, and Apple is the only authorized software vendor. Hackers have therefore attempted to 'jailbreak' all iOS devices to enable forbidden or unsupported features, such as multitasking in iOS versions before 4.0, themes for the home screen, the use of software Apple has refused to sell, or a battery percentage indicator. Jailbreaks for the iPod Touch first surfaced a month after the first model was released in September 2007, when hackers released JailbreakMe 1.0 (also called "AppSnapp") to jailbreak iPhone OS 1.1.1.[18][19] This allowed users to install third-party programs on their devices before Apple permitted this.

As of December 2013, each version of iOS on iPod Touches can be jailbroken using tools such as PwnageTool, redsn0w, Absinthe, and both versions of evasi0n. Apple's warranty statement implies that an iPod Touch after jailbreaking or other modification made by unofficial means is not covered by Apple's warranty. Jailbreaking is a violation of the Terms and Conditions for using iOS. The jailbreaking process can normally be undone by performing a restore through iTunes.[20][21]

Comparison to the iPhone[edit]

Main article: List of iOS devices

The iPod Touch is generally similar to the iPhone. The iPod Touch lacks some of the iPhone's features and associated apps, including the built-in compass, but is also thinner, lighter and less expensive. It is closely related to the iPhone 5C, which is also available in a variety of colors. Older models also lack IPS display technology, speakers, microphones, and cameras, and the camera has never been as high quality as on contemporary iPhone models.[22] Until the fifth generation, the iPod Touch camera lacked a flash for low-light photography, and until the fourth generation the sleep/wake button was on the opposite side. Steve Jobs once referred to the iPod Touch as "training wheels for the iPhone".[23]

Requirements[edit]

  • iTunes 10 or later (iTunes 10.5 for iOS 5.0+)
  • Mac OS 10.5 or later (10.5.8 for iOS 5.0+)
  • Windows XP Home or Professional with Service Pack 3 or later (Vista or later to use iCloud)

Setup and synchronization[edit]

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 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.[24]

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 backup data. iOS 5 enables the user to do all this from the device and send it to the iCloud service, which supports Mac OS X Lion and later.

Battery charging[edit]

Starting with the second generation, iPod Touch can only be charged from the 5 V pin of the dock connector while most prior iPod models (including the original iPod Touch) could also be charged from the 12 V pin for FireWire power.[25] 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. Charging the iPod Touch takes about 2 hours (80 per cent capacity) for fast charge, and full charge takes about 4 hours.

Apple Lightning connector[edit]

Main article: Lightning (connector)
Apple Lightning connector

The iPod Touch (fifth generation) and iPhone 5 feature a new dock connector, named "Lightning", which replaces the Apple Dock connector on older iPhone, iPad, iPod models. The Apple Lightning connector has eight pins and all signaling is digital. This new connector is smaller than the previous one allowing the iPhone 5 slimmer form factor. Apple Lightning cables have duplicate pins on two sides of each plug, so it can be inserted either way around. Various accessories will be available to convert the Apple Lightning connector to the older Apple Dock connector or USB,[26] although not all old accessories will work, as not all signals are available.[27]

Models[edit]

Model Picture Capacity RAM Connection Original release date Minimum OS to sync Rated battery life (hours)

1st generation[edit]

IPod touch 1st generation.png 8 GB
16 GB
32 GB[28]
128 MB[29] USB via dock connector (FireWire for charging only)[25] iPhone OS 1.1: September 5, 2007
iPhone OS 1.1.3: January 30, 2008
32 GB: February 27, 2008
Mac: 10.4 or later
Windows: Windows XP or later
audio: 22
video: 5
The first generation iPod Touch was launched on September 5, 2007, at an event called The Beat Goes On.[30] First iPod with Wi-Fi and a multi-touch interface. Features Safari web browser and wireless access to the iTunes Store and YouTube. Later added 16 and 32 GB versions, 32 GB in February 2008. iPhone OS 2.0 and App Store access require an upgrade fee. iOS 4.0 and later are not supported; however, a custom firmware exists that replicates newer features over iPhone OS 3.[31]

2nd generation[edit]

IPod touch 2G.png 8 GB
16 GB
32 GB[28]
128 MB[29] USB via dock connector iPhone OS 2.1 (8 GB, 16 GB, 32 GB): September 9, 2008 iPhone OS 3.1 (8 GB only): September 9, 2009 Mac: 10.4 or later
Windows XP or later
audio: 36
video: 6
The second generation iPod Touch featured a new tapered chrome, Nike+ functionality, volume buttons, and a built-in speaker added. It was unveiled on September 9, 2008. It originally shipped with iPhone OS 2.0 and App Store access. Bluetooth support was added with iPhone OS 3.0, which required an upgrade fee.[32][33] The second generation 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 second generation also supports audio input when a headphone or earphone with microphone abilities is plugged into the audio output (headphone) jack. The CPU runs slightly faster than the processor inside the iPhone 3G, but slower than the iPhone 3GS.[34][35]

iOS 4 was released for free for second generation iPod Touch models June 21, 2010, but included a limited selection of features, with no support for iOS applications utilizing the iPhone's camera or GPS receiver and no support for iOS 4's multitasking and home screen background customization features. The second generation iPod Touch cannot be upgraded beyond iOS version 4.2.1. The iPod Touch (second generation) is model A1288. However, custom firmware exists that replicates newer features over iOS 4.2.1.[31]

3rd generation[edit]

IPod touch 2G.png 32GB
64 GB
256 MB Apple 30-pin to USB dock connector iPhone OS 3.1: September 9, 2009 Mac: 10.4 or later
Windows XP or later
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 third generation iPod Touch with iPhone OS 3.1 was released on September 9, 2009.[36] Apple's published technical specifications for the third generation iPod Touch only include references to the 32 GB and 64 GB models.[37]

Following the introduction of the third generation iPod Touch, Apple also continued offering the second generation 8 GB version, upgraded to the same iPhone OS version as the new third generation devices. The iPod Touch (3rd generation) is model A1318. This generation supports up to iOS 5.1.1; it does not support iOS 6.

4th generation[edit]

4G IPod Touch.svg 8 GB
16 GB
32 GB
64 GB[28]
256 MB[38] Apple 30-pin to USB dock connector iOS 4.1 Black: September 1, 2010
iOS 5 White: October 12, 2011
iOS 6: September 19, 2012
Mac: 10.5 or later
Windows XP or later
audio: 40
video: 7
Apple unveiled the fourth generation iPod Touch on September 1, 2010. It includes a front-facing camera for FaceTime, the iPhone 4's Retina display without an IPS screen,[39] support for recording 720p video and 960 x 720 still photos via a back camera,[6] Apple's A4 chip, a built-in microphone, and a 3-axis gyroscope.

On October 12, 2011, the iPod Touch fourth generation began shipping with iOS 5.0 preinstalled for PC-free activation. Also, an additional color option, white, was made available. On September 12, 2012, the 8 GB model was replaced with a new 16 GB size as the base model, the 32 GB model was reduced in price, and the 64 GB model was discontinued in favor of the fifth generation models. The remaining iPod Touch fourth generation models were discontinued on May 30, 2013, in favor of a scaled back 16 GB iPod Touch (fifth generation). This generation supports up to iOS 6.1.6; it does not support iOS 7 along with the iPhone 3GS although some apps like Google and Twitter have changed their interfaces in favor of iOS 7 which gives users a slight preview of the software when running the app.[40]

5th generation[edit]

Blue iPod touch 5th Generation.png 16 GB[41]
32 GB
64 GB[28]
512 MB[42] Lightning to USB dock connector iOS 6 32, 64 GB: October 11, 2012
16 GB: May 30, 2013
iOS 7: September 18, 2013
Mac: 10.6.8 or later
Windows: XP (SP3) or later
audio: 40
video: 8
Apple unveiled the fifth generation iPod Touch on September 12, 2012. Improvements include a 4-inch screen similar to the iPhone 5, IPS display, support for recording 1080p video and panoramic still photos via the rear camera, an LED flash, Apple's A5 chip, and support for Apple's Siri since the iPhone 4S. This generation does not have an ambient light sensor, unlike older models.

Additionally, colors matching the iPod Nano and iPod Shuffle were added, making the iPod Touch colors available Slate, Silver, Pink, Yellow, Blue and Product Red for the 32 and 64 GB models.[6] The Slate color was replaced by Space grey on September 10, 2013 to match one of the colors from the iPhone 5S.

The 16 GB iPod Touch, discreetly introduced on May 30, 2013, is only available in one color, lacks the rear iSight camera and the iPod Touch Loop that is included in the 32 and 64 GB models.[41]

On June 2, 2014 at the WWDC conference, it was announced that the iPod Touch 5th generation will run iOS 8 this fall.

On June 26, 2014 Apple quietly refreshed the lineup. The 16GB now has a rear iSight camera, and prices were slightly reduced across the line and now features more colors.[43]

Technical specifications[edit]

Discontinued Current
Model 1st Generation 2nd Generation 3rd Generation 4th Generation 5th Generation
Model number A1213[44] A1288[45] A1318[46] A1367[47] A1421,[48] A1509[49]
Part numbers[50] 8 GB: MA623
16 GB: MA627
32 GB: MB376
8 GB: MB525, MB528, MC086
16 GB: MB531
32 GB: MB533
32 GB: MC008
64 GB: MC011
8 GB: MC540 (black), MD057 (white)
16 GB: ME178 (black), ME179 (white)
32 GB: MC544 (black), MD058 (white)
64 GB: MD547 (black), MD059 (white)[51]
32, 64 GB: MC903, MC904, MD714, MD715, MD717, MD718, MD720, MD721, MD723, MD724, MD749, MD750[48][52]
16 GB: MGG12, MGG32, MGG52, MGG72, MGG82, MGFY2
Pre-installed OS iPhone OS 1.1 Initially iPhone OS 2.1.1
iPhone OS 3.1.1 (updated 2nd generation 8 GB MC model)
iPhone OS 3.1.1 Initially iOS 4.1 (black)
iOS 5.0 (black & white)
iOS 6.0 (continuation)
Initially iOS 6.0
iOS 7.0 (continuation)
Highest Supported OS iPhone OS 3.1.3 iOS 4.2.1 iOS 5.1.1 iOS 6.1.6 iOS 8 (beta 3)
Display 3.5 in (89 mm); 2:3 aspect ratio, 18-bit color depth,
glossy glass-covered LED-backlit LCD screen, 480×320 px (HVGA) at 163 ppi
3.5 in (89 mm); 2:3 aspect ratio; emulated 24-bit color depth (18-bit + dithering), glossy glass-covered LED-backlit LCD, 960×640 px at 326 ppi 4 in (100 mm); 16:9 aspect ratio, 1136x640 px at 326 ppi
System on chip Samsung S5L8900 Samsung S5L8720 Samsung S5L8920 Apple A4[53] (S5L8930) Apple A5 (S5L8942)
CPU core 620 MHz (underclocked to 412 MHz, originally 400 MHz)
ARM 1176JZ(F)-S[54]
620 MHz (underclocked to 533 MHz)
ARM 1176JZ(F)-S[54]
833 MHz (underclocked to 600 MHz)
ARM Cortex-A8 core[29]
1 GHz (underclocked to 800 MHz)
ARM Cortex-A8
1 GHz (underclocked to 800 MHz) dual-core ARM Cortex-A9
GPU core PowerVR MBX Lite GPU[55][56] PowerVR SGX535 GPU[57] PowerVR SGX543MP2 GPU
Storage 8, 16 or 32 GB 32 or 64 GB[58] 8, 16, 32 or 64 GB 16, 32 or 64 GB
Memory 128 MB DRAM[59] 256 MB DRAM[4][53][60] 512 MB
Connectivity Wi-Fi (802.11b/g),
USB 2.0 dock connector
In addition to prior:
Bluetooth 2.1 + EDR (requires iPhone OS 3.0),
Built-in speaker, hardware volume controls, Nike+
In addition to prior:
Voice control,
Includes earphones with remote and mic
In addition to prior:
Wi-Fi (802.11b/g/n) [802.11n on 2.4 GHz]
3-axis gyroscope
Microphone (earphones remote and mic removed)
In addition to prior:
Bluetooth 4.0
(802.11a/b/g/n) [802.11n on 2.4 GHz and 5.0 GHz]
Revised EarPods
Lightning replaces the 30-pin dock connector
Cameras N/A Back (main): 0.7 MP photos (Panorama not supported. No iSight LED Flash.) CMOS image sensor with (720p HD video at 30 frames/s)
Front: 0.3 MP VGA-quality photos and video at up to 30 frames/s.
Back: 5 MP photos with Panorama iSight LED Flash (1080p HD video at up to 30  frames/s)
16 GB 2013 model lacks the rear iSight camera.
Front: 1.2 MP photos 720p HD video at up to 30 frames/s.
Audio processor Wolfson Microelectronics WM8758BG[61] Cirrus Logic CS4398[citation needed] Cirrus Logic CS4398[62] Cirrus Logic CS42L61 Cirrus Logic 338S1077[63]
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[dubious ] Glass display, stainless steel back and bezel; plastic label was removed for Wi-Fi and Bluetooth antenna Glass display, anodized aluminum back and bezel; plastic for Wi-Fi and Bluetooth antenna[64]
Color Black only Black or white Black (Slate/Space Gray), White (Silver), Pink, Yellow, Blue, Product Red

16 GB 2013 Model: Black (Silver)

Power Built-in rechargeable lithium-ion polymer battery[65][66][67]
3.7 V 2.15 W·h (580 mA·h)[citation needed] 3.7 V 2.73 W·h (739 mA·h)[66][68] 3.7 V 2.92 W·h (789 mA·h)[67] 3.7 V 3.44 W·h (930 mA·h) 3.7 V 3.8 W·h (1,030 mA·h)[69]
Rated battery life (hours) audio: 22
video: 5
audio: 36
video: 6
audio: 30
video: 6
audio: 40
video: 7
audio: 40
video: 8
Dimensions 110 mm (4.3 in) H
61.8 mm (2.43 in) W
8 mm (0.31 in) D
110 mm (4.3 in) H
61.8 mm (2.43 in) W
8.5 mm (0.33 in) D
111 mm (4.4 in) H
58.9 mm (2.32 in) W
7.2 mm (0.28 in) D
123.4 mm (4.86 in) H
58.6 mm (2.31 in) W
6.1 mm (0.24 in) D
Weight 120 g (4.2 oz) 115 g (4.1 oz) 101 g (3.6 oz) 88 g (3.1 oz)
Released 8, 16 GB: September 5, 2007
32 GB: February 27, 2008
September 9, 2008 September 9, 2009 Black: September 1, 2010
White: October 12, 2011
16 GB: September 12, 2012
32, 64 GB: October 11, 2012
16 GB (no rear camera): May 30, 2013
16 GB (with rear camera): June 26, 2014
Discontinued status September 9, 2008 16, 32 GB: September 9, 2009
8 GB: September 1, 2010
September 1, 2010 8, 64 GB: September 12, 2012
16, 32 GB: May 30, 2013
Current
16 GB 2013 model: June 26, 2014

See also[edit]

References[edit]

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