lo desbloque el bootloader y le puse recovery TWRP y al hacer root ya no quizo arrancar,para mi mala suerte se me olvidó hacer un backup del sistema original,esto son los datos, nose que rom tiene estas caracteristicas,aver si me ayudan por favor:
C:\Fastboot>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: 1.29.214500021.24_2
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 6.20.709.2
(bootloader) version-misc: PVT SHIP S-OFF
(bootloader) serialno: HT4AGWM01468
(bootloader) imei: xxxxxxxxxxxxxxxxxx
(bootloader) imei2: Not Support
(bootloader) meid: 00000000000000
(bootloader) product: m8_ul
(bootloader) platform: hTCBmsm8974
(bootloader) modelid: 0P6B11000
(bootloader) cidnum: 11111111
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 205bdca3
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.052s