In order to hard reset a DGM T-705QI, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
DGM T-705QI device will be brought back to the default configuration of a brand new device.
1. Press and hold the Power button until a new menu opens.
2. Select Power off option. Select OK.
3. Wait ten seconds and power the phone back up.