LG secret codes

LG cell phones are a little different from other mobile phones, they do not have the same secret codes for all mobile phones, but below codes work on most LG cell phones, you may wanna give it a go.
Test mode: 2945#*#
Secret menu: 2945*#01*#
IMEI number: *#06#
IMEI and SW (LG 510): *#07#
OS version (LG B1200): *8375#
Recount cheksum (LG B1200): *6861#
Factory settings (B1200): #PWR 668
Simlock menu (LG B1200): 1945#*5101#
Simlock menu (LG 510W, 5200): 2945#*5101#
Simlock menu (LG 7020, 7010): 2945#*70001#
Simlock menu (LG 500, 600): 2947#*
Special codes for LG-U81XX series cell phone

Code to read phone version :
- Phone without SIM
- Enter 277634#*# or 47328545454#
- Select ‘SW Ver.info’


Code to reset phone :
- Phone without SIM
- Enter 277634#*# or 47328545454#
- Select ‘Factory Reset’


Code to enter unlock menu :
- Phone with SIM
- Enter 2945#*88110#
Test Menu 8330 : 637664#*#
Test Menu 8180 V10a: 49857465454#
Test Menu 8180 V11a: 492662464663#
Test Menu 8130-8138: 47328545454#
Test Menu 8110-8120: 277634#*#