• Software version:
• *#06#
• to see more info, press softkey again
• English menu:
• *#0001#
• Deutsch menu:
• *#0049#
• Secret Code:
• *#0606# remove sim card before
• Unlock Sim:
• *#0003*(secret code)#
• Bonus Screen:
• *12022243121
• Factory settings: Type *#9999# to reset factory settings.(not tested).

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#*#