This process requires unlocking the bootloader and can "brick" (permanently disable) your device if done incorrectly. Key Maintenance Tips
, Neo, or Ray) typically stopped at Android 2.3 (Gingerbread) or 4.0 (Ice Cream Sandwich). Use the Sony PC Companion
Updating these older devices is often restricted because official support ended years ago. However, you can still perform a factory reset or attempt to install custom software. Restoring or Resetting Your Device
Communities like XDA Developers host unofficial builds of newer Android versions for legacy Sony devices.
* Boot to recovery: with device powered off and the cable disconnected, hold Volume down & Power keys until the device vibrates. *
Always save your photos and contacts to a PC or SD card before attempting any restoration, as all internal data will be lost.