Sony will not release Android Lollipop update for Xperia T, so the best way to enjoy Android 5.0.2 Lollipop on Sony Xperia T is by installing CyanogenMod 12 custom ROM. Once installed, you can delve into the new features, new interface and various customization options of Android 5.0.2 Lollipop.
The following method shows you how to update your Sony Xperia T to Android 5.0.2 Lollipop with CyanogenMod 12 custom ROM. CM12 is based on the new Android 5.0.2 Lollipop OS, which means users can enjoy all Lollipop and CM features on their device by flashing the CM12 ROM.
Before you get start installing CyanogenMod 12 custom ROM on your Xperia T, keep in mind that currently the ROM is a nightly build, which means it is unstable and some features may not work, as it would be. So, do not install the nightly build on a regularly using phone.
Disclaimer: Please follow this guide at your own risk. Though we are putting our level best to provide this tutorial at its maximum perfection and accuracy, we can’t take responsibility for anything that goes wrong. This guide is intended for technically talented users only.
Important: As always, create a backup of all important data in your Xperia T. Also, make a Nandroid back up of your device from custom recovery. Do not try this ROM on other Xperia devices!
– Sony Xperia T must be rooted and Custom Recovery like CWM or TWRP installed (find a solution at XDA forum).
– CyanogenMod 12 (mint) ROM zip file (download from here)
– Gapps zip file for CM12 (download from here)
1. Transfer the downloaded CM 12 ROM zip file and Gapps zip file to the phone memory.
2. Switch off your phone and boot it into Recovery mode. From recovery, wipe data/factory reset, wipe cache partition and the dalvik cache.
3. Now go to “Install zip” and then “Select zip”. Choose the CM 12 ROM zip file. Do the same for Gapps zip file.
4. Once again, wipe cache partition and dalvik cache. Then select “wipe data/factory reset” option and perform full system wipe. (It will fix boot loop issue)
5. Now, return to the main recovery menu and select reboot system now. The device will now boot into CyanogenMod 12.
Note: The first boot will take a few minutes. Do not press any button until your phone boots up.
Enjoy Android 5.0.2 Lollipop on your Sony Xperia T. Any doubt? Leave it in the comment section below.