LG GS500 Cookie Plus hard resetEnter GS500 reset code: 1809#*500#
1 From the home screen, select MENU/Apps icon then scroll to Phone settings on the SETTINGS tab.
2. Select Reset settings - Restores all settings to their factory defaults.
You can use LG Mobile Support tool to repair some LG cell phone model, after download select menu Customer Support > Recovery Phone
If you know LG GS500 Cookie Plus hard reset with buttons / keys pls leave comment.