Below are instructions that work for most network providers:For the following models you must insert the original SIM and then:LG C3100 press 2945#*3101#LG C3380 press 2945#*7101#LG F2300 press 2945#*7101#LG KE260 press 2945#*2601#LG KE970 press 2945#*9701#LG KF390 and KF390qLG KF600 press 2945#*71001#LG KF755d press 2945#*755# (for this model, maybe you need to insert a not-allowed SIM card instead and then enter the sequence to enter the code)LG KG120 press 2945#*1201#LG KG220 press 2945#*1201#LG KG240 press 2945#*3311#LG KG280 press 2945#*7101#LG KG290 press 2945#*7101#LG KG800 press 2945#*7101#LG KP210a press 2945#*71001# (for this model, maybe you need to insert a not-allowed SIM card instead and then enter the sequence to enter the code)LG KP500 press 2945#*71101#LG KP265 press 2945#*265#LG KU250 press 2945#*250#LG KU380 press 2945#*380#LG LB40 press 2945#*40# ((for this model, maybe you need to insert a not-allowed SIM card instead and then enter the sequence to enter the code)LG TE365 press 2945#*365# (for this model, maybe you need to insert a not-allowed SIM card instead and then enter the sequence to enter the code)Next, a secret menu will appear, go to settings-security-sim lock, enter NCK and press OK.For the following models you must insert a not-allowed SIM and then:LG KS360 press 2945#*71001#LG KU311 and KU300 and U300 press 815118#*#LG KU800 press 82652#*#LG L600v press 815118#*#LG U8150 press 277634#*#LG U8210 press 277634#*#LG U8500 press 277634#*#Enter NCK and press OK.
