Hard Reset SONIM XP3 Sentinel
- Switch on the cell phone.
- Now scroll to Menu -> Settings -> Restore factory settings.
- After that enter your password.
* The default settings is: 0000.
- Select OK, and press Yes.
- Next your phone will reset and restarts.
- Good job!
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.