How to factory reset TENGDA Z6? How to wipe all data in TENGDA Z6? How to bypass screen lock in TENGDA Z6? How to restore defaults in TENGDA Z6?
The following tutorial shows all method of master reset TENGDA Z6. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your TENGDA Z6 will be as new and your MediaTek MT6572 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.