[Q] i'm in a Ultimate pain (Samsung Galaxy S3 LTE)

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http://forum.xda-developers.com – I F****** up.. i played with rooting and flashing before i found these forums with guides and stuff. and now my samsung galaxy have no mobile network, no imei number and freezes when i activate bluetooth.. it was also bricked (logo loop) but i fixed that. i have flashed stock firmware in it and it works fine beside the 3 problems above. i've tried http://forum.xda-developers.com/show....php?t=1801997 http://forum.xda-developers.com/show....php?t=1804123 neither did work since i cant usb connect i've tryed every option to get my pc to usb detect my mobile. including kies and latest sam (HowTos)