Before you give your handset to repair shop or buy new handset, please try the following procedure to repair your device. First charge your battery more then 70%, backup your important data like phone-book, message, email, images and settings and in most cases take out SIM card and SD card. After doing hard reset not possible to recover your data, so online backup is always important. For all of your data, a backup should be done on a external device, hard drive, raid system media or SD card.
How to Hard Reset Sony Ericsson P800
- Select Applications.
- Select Control Panel.
- Select Master Reset.
- The device will confirm that you want to do a Master Reset, select Continue.
- The device will ask you again to confirm, select Yes.
- Enter the device lock code and select OK.(Default the lock code is 0000).
- Jog dial Up -> * -> Down-> Down-> * -> Down-> * when the flip closed, then choose option 5.(reset code 0000)