How to factory reset UMI X2? How to wipe all data in UMI X2? How to bypass screen lock in UMI X2? How to restore defaults in UMI X2?
The following tutorial shows all method of master reset UMI X2. Check out how to accomplish hard reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your UMI X2 will be as new and your MediaTek MT6589T core will run faster.