Hard Reset LG GB102

Start by pressing Power button, device must be working to succeed this operation.
Enter this code by using keypad: 1809#*101# or 2945#*101#
Then confirm whole process of Factory reset by tapping Call key.
Phone must restart now so wait patiently.
Done, you can use your device.

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