How to factory reset 3Q S? How to wipe all data in 3Q S? How to bypass screen lock in 3Q S? How to restore defaults in 3Q S?
The following tutorial shows all method of master reset 3Q S. Check out how to accomplish hard reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your 3Q S will be as new and your MT6572 core will run faster.