Hard Reset LG C3380

Handset must be working.
Now open in phone's Dialer by pressing the green Call key.
Type in dialer code and confirm it again pressing Call key: 1809#*101# or 2945#*101# or 2945#*7101#
Device has to reboot, it should take around 30 seconds so wait patiently.
Done, you can work on your device now.

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.