How to factory reset PHILIPS S337? How to wipe all data in PHILIPS S337? How to bypass screen lock in PHILIPS S337? How to restore defaults in PHILIPS S337?
The following tutorial shows all method of master reset PHILIPS S337. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your PHILIPS S337 will be as new and your Spreadtrum SC7731G core will run faster.