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Android KitKat is the codename for the eleventh Android mobile operating system, representing release version 4.4. Unveiled on September 3, 2013, KitKat focused primarily on optimizing the operating system for improved performance on entry-level devices with limited resources. As of October 2022, 1.39% of Android devices run KitKat. [2]
This is a list of Android distributions, Android-based operating systems (OS) commonly referred to as Custom ROMs or Android ROMs, forked from the Android Open Source Project (AOSP) without Google Play Services included officially in some or all markets, yet maintained independent coverage in notable Android-related sources.
Android 4.1 Jelly Bean was first unveiled at the Google I/O developer conference on June 27, 2012, with a focus on "delightful" improvements to the platform's user interface, along with improvements to Google's search experience on the platform (such as Knowledge Graph integration, and the then-new digital assistant Google Now), the unveiling of the Asus-produced Nexus 7 tablet, and the ...
Android 4.4W KitKat, with wearable extensions (API 20) Version Release date Features 4.4W [179] June 25, 2014 [180] Initial release of the Android Wear platform for smartwatches: the same as Android 4.4 "KitKat", but with wearable extensions added. 4.4W.1 September 6, 2014 [181] UI updates for Google Maps navigation and alarms. 4.4W.2 October ...
Dalvik was an integral part of the Android software stack in the (now unsupported) Android versions 4.4 "KitKat" and earlier, which were commonly used on mobile devices such as mobile phones and tablet computers, and more in some devices such as smart TVs and wearables.
Android (all supported versions, as far back as version 4.4 of the Android Open Source Project) has the option to provide a verified boot chain with dm-verity. This is a feature in the Linux kernel that allows for transparent integrity checking of block devices .
Users may download Android applications from a developer's website or through a third-party app store alternative. [119] Google Play Store applications are self-contained Android Package files (APK), similar to .exe files used to install programs on Microsoft Windows computers. [120]
The S4 sold 4 million in 4 days and 10 million in 27 days making it the then fastest selling smartphone in Samsung's history (this has been eclipsed by the Galaxy S5). [103] [104] The Galaxy S III sold 4 million units in 21 days, the Galaxy S II took 55 days and the Galaxy S took 85 days. [105]