Unsolved mystery: can't turn on bluetooth or make "normal" USB connections

Hi,

I'm struggling with my Samsung GT-I9300 for long six days and can't get bluetooth or "normal" USB connection.

Last week, after my battery deplet I made a full charge and when turn on the phone some weird error about encryptation appeared. The phone won't boot anymore.

I have done a standard ROM flash procedure and since that, no matter what ROM I put in, phone hangs or reboot when I try to turn on bluetooth.

Besides that, "normal" USB connection isn't possible anymore. The command "adb devices" show nothing. Strangely, I can put the phone on "download mode" and flash any ROM to it.

I already tried with different cables (all Samsung original), different computers (Windows and Mac), different USB ports on the computers and nothing seems to work...

Tried several Samsung stock ROMs for GT-I9300, ArchiDroid, Cyanogen, etc.

I done extense Google research and cannot get out of this situation by myself. Now I need to receive help from the pros. :D

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