Nokia Lumia 820 unlock security code (RNC)
Nokia Lumia 820 unlock security code (RNC)
If you forgot your unlock screen combination follow these steps.
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