Hard Reset TENGDA S9800

First method:

  1. Turn off the device by holding the Power rocker.Hard Reset TENGDA S9800
  2. Afterwards press and hold together Volume Up and Power button for a few seconds.HardReset TENGDA S9800
  3. You should release held keys when you see the Android Robot.
  4. To enter the Recovery Mode hold down the Power key for a short while.Hard Reset TENGDA S9800
  5. In the next step use the Volume buttons to select "wipe data/factory reset" and tap the Power button to confirm.Factory Reset TENGDA S9800
  6. Then choose "yes" from the menu, and accept it with Power button.
  7. After a while accept option "reboot system now" using Power rocker.Factory Reset TENGDA S9800
  8. That's all. The hard reset operation should be completed.

Second method:

  1. Turn on the device.Hard Reset TENGDA S9800
  2. Afterawrds from Main Menu find and select Settings.
  3. Then open the Backup and Reset folder and select Factory Data Reset.
  4. Tap Reset Phone and read the warning when it pops up.
  5. Choose Erase Everything and the phone will begin restoring.
  6. Well done!

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

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