Supported Modeles: LG KS 20 free unlock LG Corona Unlock Instructions 1.Install drivers (LGCoronaUSBDriver.rar)..... 2.Look instruction (instruction connect.jpeg) or here write enter code 2676625720# on Dialer menu will show, press Port Setting → 1. Diag Setting → 1. USB Set for Diag → “OK” → “Back”. (Port Setting → 1. Diag Setting →) 2. USB Switching → “LG Composite -DUN, DIAG”. press "Done" and reset your device. (switch off the phone with the right button press 3 sec and turn it off (soft reset)) 3.Connect phone. 4.Run the program(ks20 code reader.exe) 5 - code UNLOCK will appear at the end of the MSDOS window make a copy of the line UNLOCK CODE : 2945#*20# >>> xxxxxxxxxxxxx <<<<> P.S : For Vista users need to run the program with Administrative Rights. P.S : if Unlock code not work Make A Factory Reset In The First Menu To Start Unlock Process P.S : if MS Dos closing after getting info try this step 1- install Microsoft Active Sync 4.5 2- repeat instruction 2 and select on USB Switching Microsoft USBEn reset your phone 3- copy WinDiag_Open.cab to \My Documents in Mobile Device in My computer install it from phone using file explorer after that repeat instruction 2 and select LG Composite -DUN, DIAG now the code reder will work fine tested by me if still not work try to plug phone in new USB port Download: