The iPad 2, The Amazing Second Generation of the iPad

The iPad 2 is the second generation of the iPad, a tablet computer designed, developed and marketed by Apple Inc. 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


The iPad 2 is currently supplied with iOS 4.3.3, a similar system to previous iOS versions. The 4.3.1 system fixed bug with the graphics on the iPod touch, bugs related to activating and connecting to some cellular networks, authenticating with some enterprise web services.[21]


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

There are four physical switches on the iPad 2 (same as the 1st generation iPad), 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 and volume up/down, plus a third switch for either screen rotation lock or mute. Business Insider states that the home button on the iPad 2 is “easier to double tap” than the previous generation of the iPad.

Apple has 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.


The iPad has a 25 watt-hour rechargeable lithium-ion polymer battery[26] 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.


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 fps video and VGA-quality still photos. The 0.7MP back camera can shoot 720p HD video at 30 fps 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.

 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.

Size and weight

The device is 15% lighter[citation needed] 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),[33] compared to the original iPad’s size at 9.56×7.47×.528 in (243×190×13.4 mm).

source : wikipedia

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