Restore your Download Mode on HTC A9

I found the solucion to recover the Download mode
You need the file DECRYPT RUU posted by Captain_Throwback.... that works on a linux Os i use Ubuntu with all the updates.
The stock Ruu.zip of your A9
My A9 is S-off and Supercid and erase my Download mode upgrading 6.0 to 6.0.1

Whit the A9_Ruu_decrypt_CPTB_v1.5.3.zip posted by Captain_Throwback get three files of RUU or your 2PQ9IMG.zip
These are:
system.img
boot.img and
a folder named Firmware----We just need some .img firmware files

On windows put the files on the folder HTC Sync: aboot_signed, cota, hosd_signed, rpm-8952-1 (i thinks tha may vary), recovey_signed, dsp, keymaster

flash on bootloader via fastboot.
(if you want to help others to find the exact file put the command: adb reboot download on every flash .img)
if not works reenter to bootloader mode and flash de next file.
i flash all and forgot do that.
I hope excuse the English and some Senior correct that

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot erase system
htc_fastboot v3.0.9.2 (2015-05-29)
******** Did you mean to fastboot format this partition?
erasing 'system'...
OKAY [ 2.284s]
finished. total time: 2.284s
htc_fastboot finished. total time: 101.203s

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot erase boot
htc_fastboot v3.0.9.2 (2015-05-29)
erasing 'boot'...
OKAY [ 0.078s]
finished. total time: 0.094s
htc_fastboot finished. total time: 0.438s

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot erase recovery
htc_fastboot v3.0.9.2 (2015-05-29)
erasing 'recovery'...
OKAY [ 0.078s]
finished. total time: 0.078s
htc_fastboot finished. total time: 0.437s

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash aboot aboot_signed.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'aboot' (776 KB)...
OKAY [ 0.156s]
writing 'aboot'...
OKAY [ 0.031s]
finished. total time: 0.188s
htc_fastboot finished. total time: 0.766s

abd reboot download

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash recovery recovery_siged.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'recovery' (47317 KB)...
OKAY [ 7.880s]
writing 'recovery'...
OKAY [ 1.124s]
finished. total time: 9.004s
htc_fastboot finished. total time: 10.390sry_signed.img

abd reboot download

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash hosd hosd_signed.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'hosd' (48965 KB)...
OKAY [ 8.100s]
writing 'hosd'...
OKAY [ 1.172s]
finished. total time: 9.272s
htc_fastboot finished. total time: 9.725s

abd reboot download

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash rpm rpm-8952-1.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'rpm' (162 KB)...
OKAY [ 0.031s]
writing 'rpm'...
OKAY [ 0.031s]
finished. total time: 0.062s
htc_fastboot finished. total time: 0.748s

abd reboot download

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash cota cota.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'cota' (61440 KB)...
OKAY [ 10.167s]
writing 'cota'...
OKAY [ 1.429s]
finished. total time: 11.596s
htc_fastboot finished. total time: 13.112s

abd reboot download

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash dsp dsp.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'dsp' (16384 KB)...
OKAY [ 2.740s]
writing 'dsp'...
OKAY [ 0.393s]
finished. total time: 3.133s
htc_fastboot finished. total time: 4.133s

abd reboot download

C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync>fastboot flash keymaster keymaster.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 536870912 bytes
sending 'keymaster' (147 KB)...
OKAY [ 0.031s]
writing 'keymaster'...
OKAY [ 0.031s]
finished. total time: 0.062s
htc_fastboot finished. total time: 0.797s

When yoy find the Download Mode .img
I think it would be good flash the recovery_signed to format data, then go back to download mode. Now you continue testing roms

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