How to factory reset TENGDA J6? How to wipe all data in TENGDA J6? How to bypass screen lock in TENGDA J6? How to restore defaults in TENGDA J6?
The following tutorial shows all method of master reset TENGDA J6. Check out how to accomplish hard reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your TENGDA J6 will be as new and your MediaTek MT6592 core will run faster.