Hard Reset SONY Xperia J ST26i

Second method:

  1. Download and install program named flashtool from Sony website: http://developer.sonymobile.com/services/flash-tool/
  2. Make sure, that you have installed drivers for your USB data cable.
  3. Power off your device.
    Hard Reset SONY Xperia J ST26i
  4. Press and hold Volume Down, and connect to USB cable.
    HardReset SONY Xperia J ST26i
  5. Now accept all info.
  6. Finito!

Hard Reset SONY Xperia L C2105 - Reset All SONY Xperia - video

Hard Reset will erase all of your data
All described operations you are doing at your own risk.

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