Failed Flash, Unable to Restore Stock Firmware

[dabanks07]

I was attempting to root my phone last night and it failed miserably AFTER it deleted everything. In typical amateur fashion I did not properly back up my phone and have been trying to just get it back to stock firmware and leave it at that. It is an SM-N950U. I keep getting this error and am at a loss at what to do. I'm running Odin as administrator, I've swapped cords, swapped USB ports, tried different downloads of the firmware and Odin3, nothing seems to work. Does anyone have any idea what I may be doing wrong or what I can do to fix it? The phone displays in red text SW REV CHECK FAIL: (abl)Fused 4 > Binary 3 and Odin displays the following:

ID:0/005 Added!!

ID:0/005 Odin engine v(ID:3.1301)..

ID:0/005 File analysis..

ID:0/005 Total Binary size: 6955 M

ID:0/005 SetupConnection..

ID:0/005 Initialzation..

ID:0/005 Set PIT file..

ID:0/005 DO NOT TURN OFF TARGET!!

ID:0/005 Erase...

ID:0/005 ERASE_SECTOR: 1597195

ID:0/005 Get PIT for mapping..

ID:0/005 ERASE_OK

ID:0/005 Firmware update start..

ID:0/005 NAND Write Start!!

ID:0/005 SingleDownload.

ID:0/005 abl.elf

ID:0/005 FAIL! (Auth)

ID:0/005

ID:0/005 Complete(Write) operation failed.

<OSM> All threads completed. (succeed 0 / failed 1)

ID:0/005 Removed!!

 

[bsharp8]

It looks like you are trying to flash a bootloader number 3 version firmware over bootloader number 4 which you cannot do. If you were on oreo then you have to flash the oreo firmware you cant downgrade.