How to factory reset TENGDA M3+? How to wipe all data in TENGDA M3+? How to bypass screen lock in TENGDA M3+? How to restore defaults in TENGDA M3+?
The following tutorial shows all methods of master reset TENGDA M3+. Check out how to accomplish Hard Reset by hardware keys and Android 4.4 KitKat settings. As a result your TENGDA M3+ will be as new and your MediaTek MT6572W cores will run faster.