Hard Reset LG CU720
- Press Power button to switch on device.
- Open phone's Dialer by tapping Call key.
- Type in one of this code's: 1809#*101# or 2945#*101#
- Next confirm Factory reset operation by clicking green Call key again.
- Done, after restart you can properly use handset.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.