Flashing Debian fails with “Download Firehose err”

Issues
1

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2
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I’m following the Rubik Pi 3 Quick Start guide (section 1.3.3) to flash Debian, but I always get the same error in both the original Tflash and the new TurboX Easy Flash (v1.1.3):
What I’ve tried:

  • In the GUI I selected download type: flatbuild, storage: ufs, and Provision ON.
  • I confirmed “Qualcomm HS-USB QDLoader 9008 (COM4)” is detected in Device Manager.
  • I also ran the firehose tool manually:
  • & ‘C:\Program Files (x86)\Tflash\tools\QSaharaServer.exe’ -p '\\.\COM4'
    -s “13:C:\Users\USER\Downloads\FlatBuild_RUBIKPi-3_xx.xx_Debian13.R.debug.ES.r000001\ufs\prog_firehose_ddr.elf”

ERROR: function: main:314 Could not connect to \.\COM4

Questions:

  1. What is causing the “Download Firehose err”?

  2. Is there an alternative recommended tool or method for flashing Debian 13 on Rubik Pi 3?

Thank you for your assistance!

2

Please flash “provision” folder first.
Then “ufs” folder.

3

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I’ve followed the two-step flash exactly as described, but the provision download doesn’t even start, and both attempts still fail with “Download Firehose err”. Any other suggestions?

4

Dear customer,
图片
It is recommended that you change the path and try again.
The content within the red box in the image should be "".