Hard Reset ZTT Feature Phone S300

How to factory reset ZTT S300? How to wipe all data in ZTT S300? How to bypass screen lock in ZTT S300? How to restore defaults in ZTT S300?

The following tutorial shows all method of master reset ZTT S300. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your ZTT S300 will be as new and your   core will run faster.

First method:

  1. Make sure, that your device is off.
  2. Now power on the phone.
    Remove Screen Lock on ZTT S300
  3. Select emergency dial, and type this: *983*22387#
  4. Choose now Erase Everything.
  5. Success!

Help! This doesn't work