Install Android 4.4.4 KitKat update on Sony Xperia Z Ultra using custom ROM! Although the 2013 Sony phablet can already be upgraded to official Android 4.4.4 KitKat firmware, as posted on GSM Arena’s specs list, adventurous Android users can still opt to use custom ROM to update the device.
Sony Xperia Z Ultra can install Android 4.4.4 KitKat update using the custom ROM CyanogenMod11 M10.
The firmware is based on Android Open Source Project or AOSP version 4.4.4 KitKat OS.
Those who wish to install Android 4.4.4 KitKat update on Sony Xperia Z Ultra using the CM11 M10 can expect customization options to boost the performance of the smartphone, as well as a new visual interface.
Easy access to core apps will also be available upon installing Android 4.4.4 KitKat update using CM11 M10 custom ROM.
To install the Android 4.4.4 KitKat update on Sony Xperia Z Ultra properly, read this IB Times post , which contains the detailed installation instructions for the device.
Galaxy S3 users are advised to follow the steps carefully to avoid mistakes which can potentially damage the device.
Furthermore, make sure to satisfy the conditions and requirements provided below to ensure a successful installation process: The Sony Xperia Z Ultra needs to have 80 percent battery level before updating with CyanogenMod11 M10 ROM.
Make sure that there is a backup of data and settings stored on the Sony Xperia Z Ultra.
Use recommended recovery tools such as ClockWorkMod or TWRP for the backup.
Turn on USB Debugging Mode on Sony Xperia Z Ultra before installing Android 4.4.4 KitKat update.
The appropriate USB drivers for Sony Xperia Z Ultra should be installed on the PC so that the phablet will easily connect with the computer for the installation.