Hard Reset NTT 309B

First method:

  1. At the very beginning, switch off the device by using the Power key.Hard Reset NTT 309B
  2. In the next step hold down the Back + Power button for a couuple of seconds.HardReset NTT 309B
  3. You can release held keys as soon as you see the Recovery Mode menu.
  4. Then from the menu choose "Wipe Data/Factory Reset" by touching this feature.Format NTT 309B
  5. Afterwards tap "yes" to confirm the operation if you are certain you want to clear all your data. Master Reset NTT 309B
  6. In the last step accept option "reboot system now".Factory Reset NTT 309B
  7. Good job! You have just performed the hard reset operation.

Second method:

  1. If the device is off hold down the Power button for a short while.Hard Reset NTT 309B
  2. Then go the Menu and find and select Settings.
  3. In the next step choose Backup & Reset and tap Factory data reset.Wipe data NTT 309B
  4. Afterwards choose Reset device and select Erase everything to confirm the whole operation.
  5. Well done! The factory reset is done!

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

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