LG GT505 hard resetTry this first. All data will be lost! In dial pad key in the following GT505 reset code: 3845#*505#
go to menu - Press the menu icon (4 dots) then Settings > Reset settings - Reset all
the settings to their factory definitions.
You can use LG Mobile Support tool to repair some LG cell phone model, after download select menu Customer Support > Recovery Phone
If your phone is freeze, simply take out the battery and reinsert it.
Phone cannot be switched on: Press On/Off key for at least two seconds.
Charge battery. Check charging indicator in the display.
If battery contacts dirty
If you know LG GT505 hard reset with buttons / keys pls leave comment.