How to factory reset ZOPO Color M4? How to wipe all data in ZOPO Color M4? How to bypass screen lock in ZOPO Color M4? How to restore defaults in ZOPO Color M4?
The following tutorial shows all method of master reset ZOPO Color M4. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your ZOPO Color M4 will be as new and your MediaTek MT6737M core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.