Hard Reset SONY Xperia SP C5303
- Make sure, that your phone is off.
- Press and hold Volume Up + Home key + Power button together.
- When you see logo of your phone, then release holded buttons.
- Now use Volume Down to go down, and Home key, or Power button to select.
- Select option "wipe data / factory reset".
- Next choose "Yes -- delete all user data".
- After that select "reboot system now".
Hard Reset SONY Xperia L C2105 - Reset All SONY Xperia - video
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.