How to factory reset TENGDA Z5? How to wipe all data in TENGDA Z5? How to bypass screen lock in TENGDA Z5? How to restore defaults in TENGDA Z5?
The following tutorial shows all method of master reset TENGDA Z5. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your TENGDA Z5 will be as new and your MediaTek MT6572W core will run faster.