Hello, my Sprint Galaxy S3 was running CyanogenMod but I tried last night to flash back to stock and seem to have soft (I hope) bricked the phone. I'm using Odin 3.07 and a copy of the stock tar.md5 file. Now that I've bricked it I can only get into download mode, but my tar flash keeps failing. I've tried reinstalling the USB driver and have used all the different USB ports. I've switched cords and am pretty certain I'm using a good heavy duty cord. Here's where I get hung up. Any help would be appreciated.
<ID:0/004> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> KIES_HOME_L710VPBMD4_L710SPRBMD4_1130792_REV03_user_low_ship.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/004> Odin v.3 engine (ID:4)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> sbl2.mbn
<ID:0/004> NAND Write Start!!
<ID:0/004> sbl3.mbn
<ID:0/004> aboot.mbn
<ID:0/004> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)
<ID:0/004> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> KIES_HOME_L710VPBMD4_L710SPRBMD4_1130792_REV03_user_low_ship.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/004> Odin v.3 engine (ID:4)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> sbl2.mbn
<ID:0/004> NAND Write Start!!
<ID:0/004> sbl3.mbn
<ID:0/004> aboot.mbn
<ID:0/004> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)