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As with previous releases, though, many headline features are unavailable on the i Pad 2, including predictive Siri, translucency effects, split-view, slide-over and picture-in-picture multitasking, Low Power Mode and the Health app.i OS 9 is said to feature performance improvements that may help the aging device function more smoothly, and initial tests suggest that it did not significantly impact available space.The i Pad 2 supports i OS 8 which was released on September 17, 2014, making it the first i OS device to support 5 major versions of i OS (including i OS 4, 5, 6, 7, and 8).While the device is still supported, most of the new features of the software are not supported due to relatively aged hardware and therefore, is limited in terms of performance.Game Center is available as a native social gaming platform on i OS, games downloaded via the App Store that have this feature enabled are able to integrate their achievement points, high-scores and bonus system across all i OS devices into a single accumulative points and social platform.Although the tablet is not designed to make phone calls over a cellular network, a user can use a wired headset or the built-in speaker and microphone and place phone calls over Wi-Fi or cellular using a Vo IP application.
On March 7, 2012, after the unveiling of the third generation i Pad, the firmware of the i Pad 2 was upgradable to i OS 5.1.
Frequency response: 20 Hz to 20,000 Hz Audio Formats: HE-AAC (V1 and V2), AAC (8 to 320 kbit/s), Protected AAC (from i Tunes Store), MP3 (8 to 320 kbit/s), MP3 VBR, Audible (formats 2, 3 & 4, AEA, AAX, and AAX ), Apple Lossless, AIFF, and WAV; support 5.1 Dolby Digital Surround pass-through Multi-touch touch screen, headset controls, proximity and ambient light sensors, three-axis gyroscope, microphone, magnetometer, accelerometer, assisted GPS cellular (3G model only), micro-SIM card tray (3G-GSM model only) The i Pad 2 is a tablet designed, developed and marketed by Apple Inc.
Compared to the first i Pad, as the second model in the i Pad line it gained a faster dual core A5 processor, a lighter build structure, and was the first i Pad to feature VGA front-facing and 720p rear-facing cameras designed for Face Time video calling.
The i Pad 2 has been able to run six major versions of i OS, from 4 to 9, the only i OS device to be able to do so.
The i Phone 4S is a close second with support from i OS 5 to i OS 9, as well as the i Phone 5, which was supported from i OS 6 to i OS 10.