Xperia Z, ZL and more get an Android upgrade!
Sony has confirmed that that Android KitKat 4.4.4 will soon be available for the Xperia Z, Xperia Tablet Z, the ZL and the ZR.
Sony mentions via its Twitter account that with the update, there will also be improvements in battery life and email services as well as fixes for bugs. For Xperia Z specifically, Sony has explained that the update will include an upgrade to Android 4.4.4, better battery performance, email stability and enhanced performance, general improvements to features including calendar, contacts and MMS as well as bug fixes.
With the update, users will be brought up to date with the released version of Android (Android L is still yet to be launched).
Source: Android Authority