Nokia Lumia 820 hard reset

Nokia Lumia 820 hard reset

Warning! All data will be lost!

1.Power off your phone

2.Press power button and after phone vibrates once press volume down until you will see exclamation sign on the screen

3.Press in this order:volume up

                               volume down

                               power

                               volume down

4.Wait until format ends and the phone restarts

That's it