LG all models test mode: Type 2945#*# on the main screen.

2945*#01*# Secret menu for LG
MEI (ALL): *#06#

IMEI and SW (LG 510): *#07#

Soft-Ware 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#*#

|
Label: LG
Default user code 1122, 3344, 1234, 5678

Engineer mode
#11001#

Factory mode
#987#

Enable COM port #11001# - Device - Set UART - PS Config - UART1115200

Restore factory settings
#98799#

LCD contrast
#369#

Soft-Ware version
#800#

Soft-Ware version
#900#

Set default language
#0000# Send

Set English language
#0044# Send

Set English language (new firmware)
#001# Send