How to factory reset TENGDA S1? How to wipe all data in TENGDA S1? How to bypass screen lock in TENGDA S1? How to restore defaults in TENGDA S1?
The following tutorial shows all methods of master reset TENGDA S1. Check out how to accomplish Hard Reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your TENGDA S1 will be as new and your MediaTek MT6582 cores will run faster.
02 Feb 2022