How to factory reset ZTT H738B? How to wipe all data in ZTT H738B? How to bypass screen lock in ZTT H738B? How to restore defaults in ZTT H738B?
The following tutorial shows all method of master reset ZTT H738B. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your ZTT H738B will be as new and your core will run faster.