Hard Reset SONIM XP3400 Armor

  1. Switch on the cell phone.
    Hard Reset SONIM XP3400 Armor
  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!

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

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