Hard Reset HUAWEI C8813D By Keys

How to Hard Reset HUAWEI C8813D to remove screen pattern lock by hardware keys.

Hold the power button for a while to switch off the mobile
Next press and hold Volume Up + Power button for about 15 seconds.
Afterwards you will see Android recovery menu.
Now from the menu select "Factory reset/wipe data" using Volume Down to scroll option, and press Power button to accept.
Navigate to option "Yes-detele all user data", and confirm that with Power button.
Press Power button to reboot the mobile.

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