LG GS170 hard reset
Open Dialing screen by pressing the green CALL button
Dial the following code to enter to test mode menu: 1809#*170# then choose==> factory reset
All settings will be deleted!
Use Reset to reset all the settings to their factory defi nitions.
You need the LG GS170 security code to activate this function. The default code is “0000”.
You can use LG Mobile Support tool to repair some LG cell phone model, after download select menu Customer Support > Recovery Phone
To reset all the phone’s settings to their factory defaults, use this menu.
You will need to enter the security code to reset your phone.
Note: The security code is “0000” by default
When your LG GS 170 phone has frozen, just take out battery, reinsert it, then power on your phone.