How to factory reset DOOGEE X55? How to wipe all data in DOOGEE X55? How to bypass screen lock in DOOGEE X55? How to restore defaults in DOOGEE X55?
The following tutorial shows all method of master reset DOOGEE X55. Check out how to accomplish hard reset by hardware keys and Android 7.1 Nougat settings. As a result your DOOGEE X55 will be as new and your MediaTek MT6580 core will run faster.