How to factory reset BENQ F4? How to wipe all data in BENQ F4? How to bypass screen lock in BENQ F4? How to restore defaults in BENQ F4?
The following tutorial shows all method of master reset BENQ F4. Check out how to accomplish hard reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your BENQ F4 will be as new and your Qualcomm Snapdragon 400 MSM8930 core will run faster.