Cant flash Stock Rom over, tried 3 different ones. topic

Trying to flash my rom to stock so i can install the OTA updates. I believe im on firmware 1.54.. Here is my getvar all results:
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.16.0.0000
(bootloader) version-baseband: 1.15.2133156.
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) product: m8_ul
(bootloader) cidnum: VODAP001
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0

I have tried all 3 of the firmware backup roms (including the 1.2 one) from the stock nandroid backups.

Please can someone help ive been trying to do this for about 8 hours now.