How to factory reset TENGDA P7? How to wipe all data in TENGDA P7? How to bypass screen lock in TENGDA P7? How to restore defaults in TENGDA P7?
The following tutorial shows all method of master reset TENGDA P7. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your TENGDA P7 will be as new and your Spreadtrum SC7731G core will run faster.