Sony Xperia T2 Ultra
Sony released Android 4.4.3 update for Xperia T2 Ultra. Sony

Sony has started Android 4.4.3 software treatment for its large screen smartphone, Xperia T2 Ultra, which made its international debut in January this year.

The firmware with build number 19.1.1.A.0.165 is currently seeding for Xperia T2 Ultra bearing model numbers D5303 and D5306, notes Xperiablog. The update brings Sony's latest fixes and improvemnets.

Sony has also updated the software page for T2 Ultra with the new firmware. To verify the availability of the update navigate to Settings>> About phone>> Software updates>> System updates.

Additionally, users are advised to use a stable Wi-Fi connection to avoid data traffic for downloading the update. To check the device's new software version head over to Settings>> About phone>> Build number/version.

Firmware details

Android version: Google Android 4.4.3 (Kitkat)

Latest available software: 19.1.1.A.0.165

Release started: 10 September


There are many improvements in this upgrade for Xperia T2 Ultra including;

  • Android KitKat 4.4.3 bringing all the latest enhancements
  • Optimised memory for smooth performance
  • Stability improvements
  • All of our latest bug fixes and improvements

XDA forum members have now shared the FTF links for the 19.1.1.A.0.165 build. Users who have not received the update notifications yet, can install the files using Sony Flashtool to taste the new Android 4.4.3 firmware. Below are the FTF download links.

FTF links

19.1.1.A.0.165 Generic RU for XPERIA T2 Ultra [Source thread]

19.1.1.A.0.165 Generic SG for XPERIA T2 Ultra [Source thread]