How to factory reset ZTT 7500? How to wipe all data in ZTT 7500? How to bypass screen lock in ZTT 7500? How to restore defaults in ZTT 7500?
The following tutorial shows all method of master reset ZTT 7500. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your ZTT 7500 will be as new and your core will run faster.