How to install Android 2.3.7 on Sony XPERIA U ST25i

Posted On April 19, 2013 Posted By Sudip Paul
How to install Android 2.3.7 on Sony XPERIA U ST25i 4.45/5 11

Sony XPERIA U. It is a small but very powerful device. Android Ice Cream Sandwich is officially installed, but Sony Mobile will not afford an official support on Android Jelly Bean. Sony XPERIA U has a multi-color LED.
Here we’ll discuss the Android 2.3.7 for the phone.


  1. Firstly, make sure your firmware version (Only for old version).
  2. Download the XPERIA Flash tool and install it to your computer.
  3. For Sony XPERIA U ST25 download also the Android 2.3.7 Firmware.
  4. Paste the ftf downloaded file.
  5. Open the XPERIA Flash tool, press on flash and select downloaded firmware, next press ok.
    Before Installation, make sure your all important data has been backup.
  6. Switch off your phone and when Flash tool shows pop up window, you just connect phone to PC by holding volume down button.
  7. Wait few minutes, when all is done then your phone gets the new firmware.

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