I assume you know how to use fastboot, so boot into the bootloader, in fastboot mode and type fastboot getvar all.
Then post the output here.
Do you have a custom recovery and if so can you boot into it? Twrp/Cwm
Fastboot said this
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.61.0000
(bootloader) version-baseband: 4T.35.3218.16
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 7.21.980.22
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) meid: 00000000000000
(bootloader) product: m7_ul
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0714000
(bootloader) cidnum: HTC__039
(bootloader) battery-status: good
(bootloader) battery-voltage: 3727mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-0e2a13e5
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
And yes i can go into TWRP