hey i got a lg u8120 and i use the phone manager and everything works fine like transfering mp3 and stuf to my phone and it shows everything on my phone .
But my dad has a lg u8138 and i instill all those thing u have to instill at the start and when i go in the phone manager this thing pops up saying
"Fail to connect to the mobile phone,
Please check the COM port and connect in idle screen."
i change the COM ports and i still cant get it working so can someone plz hep me out coz i dont know what to do

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