Total Reset on Huawei M2-801L

How to Total Reset on Huawei M2-801L Mediapad M2 8.0 Premium Edition TD-LTE?

Make sure you turned off the device.
Hold down the Volume keys and the Power button.
Wait until the MediaPad logo appears and then release the Power button.
Release the Volume Up key when you see the Android logo.
Release the Volume Down key when the green stripe appears.
That's all! After a Hard Reset, the memory of your phone cannot be restored.