HTC ONE M7 GPE cannot unlock topic

Hi ,
My phone is HTC one m7. When I get an OTA update for android 5.0.1, the update process stuck and after a reboot I cannot get into the system.

So I tried to recovery and even factory reset, both cannot work in my phone.

Following the unlock procedure, everything is fine but without a pop-up menu to let me unlock the phone at the last stage.

I have also tried the RUU, but it all reports the same problem (fail in signature verification) based on several roms I have downloaded.

Any help for this. Thanks a lot for your time and help.


here is the detail info of my phone:

(bootloader) version: 0.5
(bootloader) version-bootloader: 1.54.0000
(bootloader) version-baseband: 4T.27.3218.09
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 4.09.1700.1
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: HT36HW913626
(bootloader) imei: 354439051396325
(bootloader) meid: 00000000000000
(bootloader) product: m7_ul
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0712000
(bootloader) cidnum: GOOGL001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4301mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-e02a9046
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0

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