Samsung Galaxy Tab 10.1 users receiving ICS Update

Samsung Galaxy Tab 10.1 users can now update their android os to ICS. To update goto Settings>>About Phone>>Update.

Android 4.0.x Ice Cream Sandwich

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The SDK for Android 4.0.1 (Ice Cream Sandwich), based on Linux kernel 3.0.1,was publicly released on October 19, 2011.Google's Gabe Cohen stated that Android 4.0 was "theoretically compatible" with any Android 2.3.x device in production at that time. The source code for Android 4.0 became available on November 14, 2011.The update introduced numerous new features.

Version	Release date	Features
4.0.1	October 19, 2011	Soft buttons from Android 3.x are now available for use on phones Separation of widgets in a new tab, listed in a similar manner to apps Easier-to-create folders, with a drag-and-drop style A customizable launcher Improved visual voicemail with the ability to speed up or slow down voicemail messages Pinch-to-zoom functionality in the calendar Integrated screenshot capture (accomplished by holding down the Power and Volume-Down buttons) Improved error correction on the keyboard Ability to access apps directly from lock screen Improved copy and paste functionality Better voice integration and continuous, real-time speech to text dictation Face Unlock, a feature that allows users to unlock handsets using facial recognition software New tabbed web browser under Google's Chrome brand, allowing up to 16 tabs Automatic syncing of browser with users' Chrome bookmarks A new typeface family for the UI, Roboto Data Usage section in settings that lets users set warnings when they approach a certain usage limit, and disable data use when the limit is exceeded Ability to shut down apps that are using data in the background Improved camera app with zero shutter lag, time lapse settings, panorama mode, and the ability to zoom while recording Built-in photo editor New gallery layout, organized by location and person Refreshed "People" app with social network integration, status updates and hi-res images Android Beam, a near-field communication feature allowing the rapid short-range exchange of web bookmarks, contact info, directions, YouTube videos and other data Support for the WebP image format Hardware acceleration of the UI Wi-Fi Direct 1080p video recording for stock Android devices Android VPN Framework (AVF), and TUN (but not TAP) kernel module. Prior to 4.0, VPN software required rooted Android.
4.0.2	November 28, 2011	Fixed minor bugs on the Verizon Galaxy Nexus, the US launch of which was later delayed until December 2011 (For Canadian consumers, 4.0.2 reportedly created a bug on the Galaxy Nexus that crashed the application market when users attempted to view details of any Android application. It also inadvertently reduced the NFCcapabilities of the Nexus phone).
4.0.3	December 16, 2011	Numerous bug fixes and optimizations Improvements to graphics, databases, spell-checking and Bluetooth functionality New APIs for developers, including a social stream API in the Contacts provider Calendar provider enhancements New camera apps enhancing video stabilization and QVGA resolution Accessibility refinements such as improved content access for screen readers
4.0.4	March 29, 2012	Stability improvements Better camera performance Smoother screen rotation Improved phone number recognition