How to factory reset BILLOW X300S? How to wipe all data in BILLOW X300S? How to bypass screen lock in BILLOW X300S? How to restore defaults in BILLOW X300S?
The following tutorial shows all method of master reset BILLOW X300S. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your BILLOW X300S will be as new and your Cortex core will run faster.