Hard Reset SONIM XP3340 Sentinel

  1. Turn on the handset.
    Hard Reset SONIM XP3340 Sentinel
  2. Now scroll to Menu -> Settings -> Restore factory settings.
  3. Then zou should enter your password.
    * The default settings is: 0000.
  4. After that select OK, and press Yes.
  5. Next you will see, that your phone will reset and restarts.
  6. Success!

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

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