How to factory reset SAMSUNG S4? How to wipe all data in SAMSUNG S4? How to bypass screen lock in SAMSUNG S4? How to restore defaults in SAMSUNG S4?
The following tutorial shows all method of master reset SAMSUNG S4. Check out how to accomplish Hard Reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your SAMSUNG S4 will be as new and your Qualcomm 8064AB core will run faster.