In order to hard reset a DGM T-811D, 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-811D device will be brought back to the default configuration of a brand new device.

 

1. First, turn off the phone.

2. Next, press and hold the Power and Volume Up buttons simultaneously. Release them when the Android logo appears on-screen.


3. Press and hold Power button for a few seconds.

4. Afterwards, use Volume buttons to select and Power button to confirm the wipe data/factory reset option.


5. A new menu will open. From it, select Yes. Again, confirm with Power button.


6. Now select reboot system now using Power button. Done!