How to factory reset PHILIPS S399? How to wipe all data in PHILIPS S399? How to bypass screen lock in PHILIPS S399? How to restore defaults in PHILIPS S399?
The following tutorial shows all method of master reset PHILIPS S399. Check out how to accomplish Hard Reset by hardware keys and Android 4.3 Jelly Bean settings. As a result your PHILIPS S399 will be as new and your Qualcomm Snapdragon 400 MSM8926 core will run faster.