[Q] HTC One won't start; no LED, no recovery, no boot loader access --> bricked? topic

I was trying to get a new rom on my M7 (I tried http://forum.xda-developers.com/show....php?t=2358781) but got stuck running the flash command and now it won't turn on. The phone was unlocked, S-Off but not rooted. the red LED is not flashing, screen won't come on and I can't access the phone via USB. I have already tried the trick with bright light and did a full charge over night but that didn't work either (phone had about 80% when it died). did I hard brick the phone? i appreciate any help.

M7CDTU XB Ship S-Off RH
CID 11111111
HBOTT-2.27.0000
Radio-T3.09.1229.02
OpenDSP -v31.120.274.0617
QSC-1237.25.32.0717
OS-2.36.1403.3
eMMC-boot 2048MB
Software-Number 1.0.0.802t
Android 4.2.2

modelid: PN0780000




this is what i got before i did the upgrade:

Code:

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bootloader) version: 0.5
(bootloader) version-bootloader: 2.27.0000
(bootloader) version-baseband: T3.09.1229.02
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.36.1403.3
(boot loader) version-misc: XB SHIP S-OFF
(bootloader) serialno: x
(bootloader) imei: x
(bootloader) meid: 00000000000000
(bootloader) product: m7cdtu
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0780000
(bootloader) cidnum: 11111111
(boot loader) battery-status: good
(boot loader) battery-voltage: 3997mV
(bootloader) partition-layout: Generic
(boot loader) security: off
(boot loader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(boot loader) commitno-bootloader: dirty-0a052c69
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0

---

I did the update as described in the link mentioned above:

Code:

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fastboot flash zip RUU-HTC_One_GE-4.4.2-3.62.1700.1.zip
sending 'zip' (504765 KB)...
OKAY [ 20.166s]
writing 'zip'...
(bootloader) zip header checking...
(bootloader) zip info parsing...
(bootloader) checking model ID...
(bootloader) checking custom ID...
(boot loader) start image[hboot] unzipping for pre-update check...
(boot loader) start image[hboot] flushing...
(bootloader) [RUU]WP,hboot,0
(bootloader) [RUU]WP,hboot,99
(bootloader) [RUU]WP,hboot,100
(boot loader) ...... Successful
FAILED (remote: 90 hoot pre-update! please flush image again immediately)
finished. total time: 21.884s
localhost:platform-tools$ fastboot flash zip RUU-HTC_One_GE-4.4.2-3.62.1700.1.zip
target reported max download size of 452980736 bytes
Invalid sparse file format at header magi
error: write_sparse_skip_chunk: don't care size 66615034 is not a multiple of the block size 4096
sending sparse 'zip' (439441 KB)...
error: write_sparse_skip_chunk: don't care size 66615034 is not a multiple of the block size 4096
error: write_sparse_skip_chunk: don't care size 66615034 is not a multiple of the block size 4096
OKAY [ 18.574s]
writing 'zip'...
FAILED (remote: not allowed)
finished. total time: 18.575s

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