How to factory reset VKworld F1? How to wipe all data in VKworld F1? How to bypass screen lock in VKworld F1? How to restore defaults in VKworld F1?
The following tutorial shows all method of master reset VKworld F1. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your VKworld F1 will be as new and your MediaTek MT6580 core will run faster.