Sony Xperia Z Ultra GPE Android 4.4.2 Kitkat update has started rolling out to Google Play Editions. Check Xperia Z GPE Android 4.4.2 update guide.

Sony Xperia Z Ultra Google Play Edition was rushed for launch and it was pretty clear with the bugs found on it. Team Sony was quick on fixing those issues as the Android 4.4.2 Kitkat update has started rolling out, atleast for one user who claims the availability of update.Xperia Z Ultra Android 4.4.2

LG GPad 8.3 and Xperia Z Ultra are the recent addition to the Google Play Edition devices and just like GPad 8.3 tablet, Xperia Z Ultra too gets the latest firmware update.

Also ReadLG GPad 8.3 GPE Android 4.4.2 Kitkat update

The Android 4.4.2 Kitkat firmware update with build number KOT49H weighs hefty 444.1 MB. The Xperia Z Ultra Google Play Edition sports the 6.4 inch display perfectly suitable for high-end gaming. So on your device go to About Device > Settings > Update  & then tap on Check Now to manual push for update.

Source: Sony Developer World Via: XDA-Developers