Hard Reset SONIM XP3 Sentinel

How to factory reset SONIM XP3 Sentinel? How to wipe all data in SONIM XP3 Sentinel? How to bypass screen lock in SONIM XP3 Sentinel? How to restore defaults in SONIM XP3 Sentinel?

The following tutorial shows all method of master reset SONIM XP3 Sentinel. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your SONIM XP3 Sentinel will be as new and your Philips Nexperia 5210 core will run faster.

  1. Switch on the cell phone.
    Factory Reset SONIM XP3 Sentinel
  2. Now scroll to Menu -> Settings -> Restore factory settings.
  3. After that enter your password.
    * The default settings is: 0000.
  4. Select OK, and press Yes.
  5. Next your phone will reset and restarts.
  6. Good job!

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