How to factory reset PHILIPS S257? How to wipe all data in PHILIPS S257? How to bypass screen lock in PHILIPS S257? How to restore defaults in PHILIPS S257?
The following tutorial shows all method of master reset PHILIPS S257. Check out how to accomplish hard reset by hardware keys and Android 7.0 Nougat settings. As a result your PHILIPS S257 will be as new and your MediaTek MT6737M core will run faster.