mobile

Phone can't go to recovery mode but can still go to download mode.
tried flashing stock rom with odin v3.07 and 3.09 but got the following messages:


<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> M919UVUAMDL_M919TMBAMDL_M919UVUAMDL_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> SingleDownload.
<ID:0/003> sbl2.mbn
<ID:0/003> NAND Write Start!!
<ID:0/003> sbl3.mbn
<ID:0/003> rpm.mbn
<ID:0/003> aboot.mbn
<ID:0/003> FAIL! (Auth)
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)


USB driver installed, tried different ports, different roms, usb cables

can anyone tell me what I can do?