Hard Reset NTT 307B 7"

How to factory reset NTT 307B 7"? How to wipe all data in NTT 307B 7"? How to bypass screen lock in NTT 307B 7"? How to restore defaults in NTT 307B 7"?

The following tutorial shows all method of master reset NTT 307B 7". Check out how to accomplish hard reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your NTT 307B 7" will be as new and your Allwinner A20  core will run faster.

First method:

  1. At first hold down the Power rocker for a short while in order to turn on the device. Remove screen password on NTT 307B 7"
  2. After that, go the Menu and find and select Settings.
  3. In the next step choose Backup & Reset and tap Factory data reset. HardReset NTT 307B 7"
  4. Then choose Reset device and select Erase everything to confirm the whole operation.
  5. Good job! You have just performed a hard reset operation!

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