Recent reports claims that Google is currently working on its Android 4.4.3, they are apparently testing the new upgrade to ensure it’s ready for your device. This test on the upgrade within the walls of Google means that the final release may not be too far away.
According to the guys at Android Police, the Kit Kat 4.4.3 is currently known as Kit Kat MR2, and is currently being tested internally outside of the core Android development team. It was also revealed that the MR2 is currently being tested on Google’s range of Nexus devices; including Nexus 4, Nexus 5, Nexus 7 and the Nexus 10 as well.
There are no details on the exact release of the Android KitKat 4.4.3, however the reports stated that it could be in the coming weeks. As soon as more details becomes available we will update you guys.