Hard Reset SONIM XP5520 Bolt
- Power on the phone.
- Then go to Menu -> Settings -> Restore factory settings.
- Now enter your password.
* The default settings is: 0000.
- Next select OK, and press Yes.
- After that your phone will reset and restarts.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.