Bringing up the LG secret menu: 2945*#01*#
To access test mode off the main screen: 2945#*#
To unlock selected CDMA LG phones: hit Menu then 0 then 000000 to bring up the programing menu. Other defaults such as 123456 or 654321 might also work.
Codes for the LG B1200
Bring up Simlock menu: 1945#*5101#
Software version: * 8375 #
The factory test: #PWR 668
Recount cheksum (related to checking for errors): * 6861 #
Codes from the LG-U81XX
To reset phone without a SIM card: 277634#*# or 47328545454#
To bring up the unlock menu on phone with a SIM card: 2945#*88110#
Codes for the LG CU400
Fix a “non-acceptable content” message (downloading ringtones related): 277634#*# then Port Setting > Data Setting > BT Set for Data then turn the phone off and on again.
Codes for the LG 8600
Correcting a “Music Player Error” when trying to burn music: In MS Media Player at the “Options” menu click the “Rip Music” tab then uncheck the “Copy protect music” box.
LG all models test mode: Type 2945#*# on the main screen.
2945*#01*# Secret menu for LG
IMEI (ALL): *#06#
IMEI and SW (LG 510): *#07#
Software version (LG B1200): *8375#
Recount cheksum (LG B1200): *6861#
Factory test (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#*
LG-U81XX SPECIAL CODES
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 wit SIM inside
- 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#*#