How to factory reset UMI Diamond? How to wipe all data in UMI Diamond? How to bypass screen lock in UMI Diamond? How to restore defaults in UMI Diamond?
The following tutorial shows all method of master reset UMI Diamond. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your UMI Diamond will be as new and your MediaTek MT6753 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.