ayudaaaa mi m8 no sale de bootloader

[aldo9820]

hola necesito de su ayuda, tengo un m8 que quise actualizar y ahora no sale de bootloader, cuando elijo recovery solo me regresa a bootloader y no inicia nada más, ¿que debo de hacer?
esta es la informacion del movil
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.18.0.0000
(bootloader) version-baseband: 1.08.20.0612_4
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.16.651.4
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: HT43XSF08653
(bootloader) imei: 990004993089121
(bootloader) imei2: Not Support
(bootloader) meid: 99000499308912
(bootloader) product: m8_whl
(bootloader) platform: hTCBmsm8974
(bootloader) modelid: 0P6B70000
(bootloader) cidnum: SPCS_001
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: d4c3cae5
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!