How to factory reset DOOGEE F3? How to wipe all data in DOOGEE F3? How to bypass screen lock in DOOGEE F3? How to restore defaults in DOOGEE F3?
The following tutorial shows all method of master reset DOOGEE F3. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your DOOGEE F3 will be as new and your MediaTek MT6753 core will run faster.