iPad2
| Developer | Apple |
|---|---|
| Manufacturer | Foxconn (contract-basis with Apple) |
| Product family | iPad |
| Type | Tablet media player/PC |
| Generation | 2nd |
| Release date |
2011-03-11: United States |
| Operating system | iOS 4.3.5 Released July 25, 2011; 22 days ago |
| Power | Internal rechargeable non-removable 25 W·h (90 kJ) lithium-ion polymer battery |
| CPU | 1 GHz dual-core (up to 1GHz) Apple A5 |
| Storage capacity | Flash memory 16 GB, 32 GB, or 64 GB |
| Memory | 512 MB DDR2 (1066 Mbit/s) RAM |
| Display |
9.7 inches (250 mm) 4:3 aspect ratio at 132 ppi Resolution: 1024×768 px (XGA) (1080p – video out via Apple Digital AV Adapter; support simultaneous charging) |
| Graphics | PowerVR SGX543MP2 67 MPolygon/s 2 GPixel/s fill rate |
| Input | Multi-touch touch screen, headset controls, proximity and ambient light sensors, 3-axis gyroscope, microphone, magnetometer, accelerometer, Assisted GPS + Cellular (3G Model only), Micro-SIM Card tray (3G-GSM Model only) |
| Camera | Front: Video recording, VGA up to 30 frame/s with audio, VGA-quality still camera, 0.3 MP. Back: Video recording, 960×720 up to 30 frame/s with audio, 960×720 still camera with 5× digital zoom, 0.7 MP. |
| Touchpad | Capacitive touchscreen |
| Connectivity | Wi-Fi (802.11 a/b/g/n) Bluetooth 2.1 + EDR Wi-Fi + 3G GSM model also includes: UMTS / HSDPA (Quad band–850, 900, 1900, 2100 MHz) GSM / EDGE (Quad band–850, 900, 1800, 1900 MHz) Wi-Fi + 3G CDMA model also includes: CDMA EV-DO Rev. A (800, 1900 MHz) |
| Online services | iTunes Store, App Store, MobileMe, iBookstore, Safari, Game Center, Photo Booth* |
| Dimensions | 9.50 in (241 mm) (height) 7.31 in (186 mm) (width) 0.346 in (8.8 mm) (depth) |
| Weight | Wi-Fi model: 1.33 lb (600 g) Wi-Fi + 3G model (GSM): 1.35 lb (610 g) Wi-Fi + 3G model (CDMA): 1.34 lb (610 g) |
| Predecessor | Original iPad |
| Related articles | iPad, iPhone, iPod touch (Comparison) |
The iPad 2 is the second generation of the iPad, a tablet computer designed, developed and marketed by Apple. It serves primarily as a platform for audio-visual media including books, periodicals, movies, music, games and web content, and is available in black or white. The Foxconn China-manufactured iPad 2 has a lithium-ion polymer battery that lasts up to 10 hours, a new dual core Apple A5 processor and VGA front-facing and 720p rear-facing cameras designed for FaceTime video calling.
Apple unveiled the device on March 2, 2011, began selling it by website and retail stores on March 11, and released it in 25 other countries on March 25, including Australia, Britain and Canada. Apple announced that the iPad 2 will be released in Hong Kong, South Korea, Singapore and other countries on April 29, 2011.
Software
The iPad 2 uses iOS 4.3.5. The 4.3.1 system fixed a bug with the graphics on the iPod touch, as well as problems connecting to some cellular networks, and authenticating with some enterprise web services.
iOS 4.3.5 was released on July 25, 2011 and fixed a security vulnerability with certificate validation.
iOS 5 is scheduled to be released in the Fall of 2011 and is slated to bring over 200 new user features including Notification Center, iMessage, and a updated notifications system, using a new "banner" style instead of the originally used "alert" style.
Hardware
The iPad 2 includes a new A5 processor, front and rear cameras plus a 3 axis gyroscope. Several components were made smaller to fit the new iPad.
Screen and input
Both original iPad and iPad 2 have four physical switches, including a home button near the display that returns the user to the main menu, and three plastic physical switches on the sides: wake/sleep, volume up/down, and a third switch for either screen rotation lock or mute. The home button on the iPad 2 is "easier to double tap" than the previous generation of the iPad.
Apple reduced the size of the iPad by eliminating the stamped sheet metal frame from the display, integrating new thinner glass technology for the touch screen overlay, and slightly reducing the space between the display and battery. The iPad 2's screen is thinner, lighter, and yet stronger than the original iPad's. The iPad 2 also supports screen mirroring via the digital AV adapter.
Power
The iPad has a 25 watt-hour rechargeable lithium-ion polymer battery that lasts 10 hours, like the original iPad. It is charged via USB or included 10-watt, 2-amp power adapter. The battery is 2.5 mm thick, 59% smaller than the original and has three cells instead of two. The improvements allowed the injection-molded plastic support frame to be omitted. The 10W USB power adapter provides 4x the power of a conventional USB port.
Cameras
The revised tablet adds front- and rear-facing cameras, which allow FaceTime video calls with the iPhone 4, fourth-generation iPod Touch and Macintosh computers (running Mac OS X 10.6.6 or later with a webcam).The 0.3MP front camera shoots VGA-quality 30 frame/s video and VGA-quality still photos. The 0.7MP back camera can shoot 720p HD video at 30 frame/s and has a 5x digital zoom. Both shoot photo in a 4:3 fullscreen aspect ratio. The rear camera shoots video in 16:9 widescreen to match the 720p standard, although only the central 4:3 part of the recording is shown on the screen during recording. The forward facing camera shoots in 4:3.
Apple A5 processor
The iPad 2 added a dual core Apple A5 processor that Apple claims doubles processing speed and has graphics processing that is up to nine times faster than the previous iPad.
iPad with 3G + Wi-Fi
3G versions of the iPad 2 offer CDMA2000 support for customers using the device on a CDMA network (e.g. Verizon Wireless in the United States) or GSM/UMTS support for customers using the device on a GSM/UMTS network (e.g., AT&T Mobility in the United States or Orange in Europe).
The iPad Wi-Fi + 3G model includes an A-GPS receiver for tracking the user's location given permission. Also, the iPad 2 3G model includes a plastic cap-like band at the top on the back for the 3G antenna. The metallic grille for the microphone is replaced with a matching plastic black grille on the 3G model. Line In AT&T and Verizon.
Size and weight
The device is 15% lighter and 33% thinner than the original iPad, it is thinner than the iPhone 4 by 0.5 mm.
The Wi-Fi version is 1.33 lb (600 g). Both the GSM and CDMA versions (known respectively as the AT&T and Verizon versions in the US) differ in weight slightly due to the mass difference between the GSM and CDMA cellular radios, with the GSM model at 1.35 lb (612 g) and the CDMA model at 1.34 lb (608 g). The size of the iPad 2 is also less than the original iPad at only 9.5×7.31×.346 in (240×186×8.8 mm), compared to the original iPad's size at 9.56×7.47×.528 in (243×190×13.4 mm).
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