Reseting LG KG245 to factory settings / reset Security Code

1. Remove battery and then SIM card
2. Replace battery in
3. Turn on phone
4. upon the "insert SIM" screen type in "2945#*#"
5. Select Factory Reset
6. Replace SIM card in
7. All settings and personal data should be removed from phone (SIM card data is still present)
8. The security code is now the default security code (0000 or 1234)

REFERENCE