Default Wifi, Bluetooth and light of softkeys does not work

Hi, I am trying to fix my friend note ii, i dont know what he did to the phone but the wifi bluetooth and the light of the soft keys does not work, I went to the *#0011# and wi fi and says is disconected... does anyone have a clue about this? a been looking al over the places and I couldnt find anything.. I tried go back to stock with a guide, but when is goin to flash de modem.bin it says it fails...

I managed to boot, but the the problem persists