[Q] How to go back to stock ROM topic

M7
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.57.0000
(bootloader) version-baseband: 4M.27.3218.14
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno:...
(bootloader) imei: ...
(bootloader) meid: 00000000000000
(bootloader) product: m7_ul
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0710000
(bootloader) cidnum: HTC__032
(bootloader) battery-status: good
(bootloader) battery-voltage: 4077mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-6d8a0b9b
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.050s

version-main: unknown?

I do not know what ROM to use to go back to stock.
I have try a few stock Roms but without success. RUU doesn't work.
Every time the phone got restart when I tried guru stock rom.
Any suggestion please?