Hard Reset SONIM XP5520 Bolt

  1. Power on the phone.
    Hard Reset SONIM XP5520 Bolt
  2. Then go to Menu -> Settings -> Restore factory settings.
  3. Now enter your password.
    * The default settings is: 0000.
  4. Next select OK, and press Yes.
  5. After that your phone will reset and restarts.
  6. Done!

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

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