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