Sony Xperia Z Ultra Android 4.4.4 KitKat Upgrade: How to Manually update Xperia Z Ultra C6833 to Android 4.4.4 Kitkat 14.4.A.0.108 firmware
Sony has rolled out the Android 4.4.4 Kitkat update for Xperia Z Ultra C6833 and the update is available via OTA, so you can update your device via PC Companion (Windows) or Sony Bridge (Mac). If you were unable to update Xperia Z Ultra ...Read More