[problem] old hboot topic

I have a HTC One M7 that doesn't accept any firmware :

Code:

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(bootloader) version: 0.5
(bootloader) version-bootloader: 1.57.0000
(bootloader) version-baseband: 4T.29.3218.31
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: PVT SHIP S-OFF
(bootloader) serialno: HT354W900373
(bootloader) imei: 35xxxxxxxxxxx
(bootloader) meid: 00000000000000
(bootloader) product: m7_ul
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN071****
(bootloader) cidnum: 11111111
(bootloader) battery-status: good
(bootloader) battery-voltage: 4300mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-6d8a0b9b
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0

---

I downgraded hboot to 1.44 and now the computer doesn't see it anymore (unknown device , now the hboot is 1.44) .
How can I get it back to life and why it doesn't accept any firmware ?
I tried to relock the boot , too .
Thanks !

I have ClockworkMod Recovery v6.0.4.8