[GH-ISSUE #788] [Bug]: Failed to download firmware #523

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opened 2026-05-07 00:11:17 +02:00 by BreizhHardware · 1 comment

BreizhHardware commented

2026-05-07 00:11:17 +02:00

Owner

Originally created by @toannv28 on GitHub (Mar 22, 2026).
Original GitHub issue: https://github.com/maziggy/bambuddy/issues/788

Originally assigned to: @maziggy on GitHub.

Bug Description

Hello, it seems the firmware update feature is malfunctioning. I'm currently unable to download the update despite notifications that a new update is available. My printer uses H2D technology. I checked that the USB is plugged in, the printer is idle, and an update has been detected but cannot be downloaded.

Expected Behavior

Hopefully there will be an update soon so I can use the update feature.

Steps to Reproduce

Frimware Update
upload firmware
fail

Printer Model

H2D

Bambuddy Version

v0.2.2.1

Printer Firmware Version

01.02.00.00

Installation Method

Manual (git clone)

Operating System

Windows

Relevant Logs / Support Package

2026-03-23 00:11:34,395 INFO [backend.app.services.bambu_ftp] FTP connected successfully to 172.16.10.20 (model=H2D, prot_c=False)
2026-03-23 00:11:34,812 WARNING [backend.app.services.firmware_check] No firmware download URL available for model: H2D
2026-03-23 00:11:34,812 ERROR [backend.app.services.firmware_update] Firmware upload failed for printer 1: Failed to download firmware

Screenshots

Additional Context

No response

Checklist

I have searched existing issues to ensure this bug hasn't already been reported
I am using the latest version of Bambuddy
My printer is set to LAN Only mode
My printer has Developer Mode enabled

Originally created by @toannv28 on GitHub (Mar 22, 2026). Original GitHub issue: https://github.com/maziggy/bambuddy/issues/788 Originally assigned to: @maziggy on GitHub. ### Bug Description Hello, it seems the firmware update feature is malfunctioning. I'm currently unable to download the update despite notifications that a new update is available. My printer uses H2D technology. I checked that the USB is plugged in, the printer is idle, and an update has been detected but cannot be downloaded. ### Expected Behavior Hopefully there will be an update soon so I can use the update feature. ### Steps to Reproduce 1. Frimware Update 2. upload firmware 3. fail ### Printer Model H2D ### Bambuddy Version v0.2.2.1 ### Printer Firmware Version 01.02.00.00 ### Installation Method Manual (git clone) ### Operating System Windows ### Relevant Logs / Support Package 2026-03-23 00:11:34,395 INFO [backend.app.services.bambu_ftp] FTP connected successfully to 172.16.10.20 (model=H2D, prot_c=False) 2026-03-23 00:11:34,812 WARNING [backend.app.services.firmware_check] No firmware download URL available for model: H2D 2026-03-23 00:11:34,812 ERROR [backend.app.services.firmware_update] Firmware upload failed for printer 1: Failed to download firmware ### Screenshots <img width="1012" height="630" alt="Image" src="https://github.com/user-attachments/assets/976ad0c0-e021-4f06-ae58-e87e353c1734" /> ### Additional Context _No response_ ### Checklist - [x] I have searched existing issues to ensure this bug hasn't already been reported - [x] I am using the latest version of Bambuddy - [x] My printer is set to LAN Only mode - [x] My printer has Developer Mode enabled

BreizhHardware

2026-05-07 00:11:17 +02:00

closed this issue
added the
wontfix
label

BreizhHardware commented

2026-05-07 00:11:18 +02:00

Author

Owner

@maziggy commented on GitHub (Mar 22, 2026):

Unfortunately there's nothing I can do.

Please check https://forum.bambulab.com/t/wiki-firmware-download-page-is-outdated/233584/6

@maziggy commented on GitHub (Mar 22, 2026): Unfortunately there's nothing I can do. Please check https://forum.bambulab.com/t/wiki-firmware-download-page-is-outdated/233584/6