How to factory reset ZTC ZT6618? How to wipe all data in ZTC ZT6618? How to bypass screen lock in ZTC ZT6618? How to restore defaults in ZTC ZT6618?
The following tutorial shows all method of master reset ZTC ZT6618. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your ZTC ZT6618 will be as new and your core will run faster.