[Q] odin fails every time. i tried everthing!

i have galaxy s3 the international model
right now it stucks on the logo. i can get into download mod, but not into recovery.
i've tried to flash stock version. i used first the one file method . didn't work, then i tried the 4 files method
with bootloader etc... but it failed again.
i changed cables, usb ports, nothing!
here's the odin log.
___________________
<ID:0/003> Added!!
<ID:0/003> Removed!!
<ID:0/003> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> I9300XXEMG4_I9300ITVEML2_I9300XXEMG4_HOME.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/003> Odin v.3 engine (ID:3)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> boot.img
<ID:0/003> NAND Write Start!!
<ID:0/003> FAIL!
<OSM> All threads completed. (succeed 0 / failed 1)

could it be an hardware issue. :confused: or theres still chance :)
thanks..

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