KitKat (operating system)
| A version of the Android operating system | |
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Android 4.4.2 KitKat running on a Nexus 5
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| Developer | |
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| Released to manufacturing |
October 31, 2013 |
| Latest release | 4.4.4 (KTU84Q) / July 15, 2014 |
| Preceded by | Android 4.3.1 "Jelly Bean" |
| Succeeded by | Android 5.x "Lollipop" |
| Official website | Official website |
| Support status | |
| Supported with "patches", but vendor support of actual devices likely is missing or non-automatic; see Support status section. | |
Android "KitKat" is a codename for the Android mobile operating system developed by Google, spanning versions between 4.4 and 4.4.4, that are no longer actively developed. Unveiled on September 3, 2013, KitKat focused primarily on optimizing the operating system for improved performance on entry-level devices with limited resources.
Android 4.4 "KitKat" was officially announced on September 3, 2013. The release was internally codenamed "Key Lime Pie"; John Lagerling, director of Android global partnerships, and his team, decided to drop the name, arguing that "very few people actually know the taste of a key lime pie". Aiming for a codename that was "fun and unexpected", his team pursued the possibility of naming the release "KitKat" instead. Lagerling phoned a representative of Nestlé, who owns the Kit Kat brand and produces the confectionery (outside the United States, where it is produced by The Hershey Company under license), and quickly reached a preliminary deal for a promotional collaboration between the two companies, later finalized in a meeting at Mobile World Congress in February 2013. The partnership was not revealed publicly, or even to other Google employees and Android developers (who otherwise continued to internally refer to the OS as "KLP"), until its official announcement in September.
As part of the promotional efforts, Kit Kat bars in the shape of the Android robot logo were produced, while Hershey ran a contest in the United States with prizes of Nexus 7 tablets and Google Play Store credit.
The Nexus 5, developed by LG Electronics, was unveiled on September 30, 2013, as the launch device for KitKat.
As of April 2017, security vulnerabilities identified in Android 4.4.4 continue to have patches published to the Android Open Source Project.
As of 2017[update], Android 4.4.4 is still supported with security patches by Google for the source code, that vendors may not pass on as vendor updates.
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