Hard Reset TENGDA Z4

First method:

  1. Start by turning off the device by holding the Power rocker.Hard Reset TENGDA Z4
  2. Next, press and hold together Volume Up and Power button for a few seconds.HardReset TENGDA Z4
  3. Release held keys when you see the Android Robot on the phone's screen.
  4. To enter the Recovery Mode hold down the Power key for a short while.Hard Reset TENGDA Z4
  5. In this step use Volume buttons to select "wipe data/factory reset" and tap the Power button to confirm.Factory Reset TENGDA Z4
  6. Then choose "yes" from the menu, and accept it with Power key.
  7. After a while accept option "reboot system now" using Power rocker.Factory Reset TENGDA Z4
  8. That's all. The hard reset operation should be completed.

Second method:

  1. At the beginning turn on the device by using the Power key.Hard Reset TENGDA Z4
  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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