Help with rooting galaxy s5 900v 5.0

I have the Samsung Galaxy S5 by Verizon.
It is on the 5.0 firmware.
I rooted the device when it was one the 4.4 firmware. When I did OTA update, I lost it.
I am trying to flash the 4.4 rom onto the phone through ODIN.
I get this on ODIN
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> ALL_VZW_G900VVRU1ANCG_G900VVZW1ANCG_964333_REV00_u ser_low_ship_MULTI_CERT.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> Set PIT file..
<ID:0/004> DO NOT TURN OFF TARGET!!
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> aboot.mbn
<ID:0/004> NAND Write Start!!
<ID:0/004> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)

On the phone it says
SW REV CHECK FAIL : [aboot]Fused 2 > Binary 1

BTW the volume keys don't work so I used adb to enter download mode.
Please help
Thanks

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