Hard Reset SONY Xperia A SO-04E

  1. First you should download PC Companion, in example from here: http://www.sonymobile.com/gb/tools/pc-companion/
  2. Install it and run.
  3. Next you will see window with 4 options.
    HardReset SONY Xperia A SO-04E
  4. Choose option "Support Zone New!", and click "Start".
    Factory Reset SONY Xperia A SO-04E
  5. Wait for the program to install the appropriate add-on.
  6. After that you will see next window with 3 options.
    Master Reset SONY Xperia A SO-04E
  7. Goto option "Phone / Tablet Software Update", and click "Start".
  8. Select "repair my phone / tablet".
    Permanently delete data from SONY Xperia A SO-04E
  9. Now follow the instructions and accept all informations. 
    Wipe data SONY Xperia A SO-04E
    Format SONY Xperia A SO-04E
  10. Please be patient and wait until preparing computer for software update is complete.
    Restore SONY Xperia A SO-04E
  11. Afterwards choose your phone / tablet model.
    Remove screen password SONY Xperia A SO-04E
  12. If you see this window, then connect your device into your PC.
    Remove Screen Lock SONY Xperia A SO-04E
  13. Done!

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

Help! This doesn't work