htc m7_u need firmware & flashing help guide always gets error in cmd command

J:\MOTO ALL\Fastboot+ADB\Win32>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.44.0000
(bootloader) version-baseband: 4A.15.3250.22
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 1.29.1402.25
(bootloader) version-misc: PVT SHIP S-OFF
(bootloader) serialno: HC39DW900460
(bootloader) imei: 355653050757639
(bootloader) meid: 00000000000000
(bootloader) product: m7_u
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN071****
(bootloader) cidnum: 11111111
(bootloader) battery-status: good
(bootloader) battery-voltage: 3795mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-f188f379dbbfee373cd551f7bc62b8435
getvar:all FAILED (unknown status code)
finished. total time: 0.070s

i have downloaded files as it is super cid & soff ,while flashing through cmd commands i bgets always error need help from htc experts plz