How to factory reset UMI Zero? How to wipe all data in UMI Zero? How to bypass screen lock in UMI Zero? How to restore defaults in UMI Zero?
The following tutorial shows all method of master reset UMI Zero. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your UMI Zero will be as new and your MediaTek MT6592T core will run faster.
Umi Zero Hard Reset - video