Hard Reset NOKIA Lumia 930
- First power off your phone.
- Next press and hold together Volume Down + Camera button + Power button
- Release Power button when device will vibrate.
- Wait until phone restarts.
- Done, device should be now ready to work on.
How To Hard Reset Nokia Lumia
How to Hard Reset NOKIA Lumia 930 - Wipe Out NOKIA / Restore
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.