[GH-ISSUE #520] [Bug]: Failed to download firmware #332

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opened 2026-05-07 00:08:56 +02:00 by BreizhHardware · 1 comment

BreizhHardware commented

2026-05-07 00:08:56 +02:00

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Originally created by @Twilek-de on GitHub (Feb 24, 2026).
Original GitHub issue: https://github.com/maziggy/bambuddy/issues/520

Originally assigned to: @maziggy on GitHub.

Bug Description

Bambuddy shows that there is a new firmware version available. When I try to update I get a

bambuddy  | 2026-02-24 20:25:04,903 INFO [backend.app.services.bambu_ftp] FTP connected successfully to 192.168.7.183 (model=H2D, prot_c=False)
bambuddy  | INFO:     172.18.0.13:35262 - "GET /api/v1/firmware/updates/1/prepare HTTP/1.1" 200 OK
bambuddy  | 2026-02-24 20:25:07,044 INFO [backend.app.services.bambu_ftp] FTP connected successfully to 192.168.7.183 (model=H2D, prot_c=False)
bambuddy  | 2026-02-24 20:25:07,179 WARNING [backend.app.services.firmware_check] No firmware download URL available for model: H2D
bambuddy  | 2026-02-24 20:25:07,180 ERROR [backend.app.services.firmware_update] Firmware upload failed for printer 1: Failed to download firmware

I dont know wether this is a Bambuddy or a Bambulab problem...

Expected Behavior

Firmware updates

Steps to Reproduce

Try to update H2D firmware

Printer Model

H2D

Bambuddy Version

0.2.1b3

Printer Firmware Version

01.02.02

Installation Method

Docker

Operating System

Linux (Ubuntu/Debian)

Relevant Logs / Support Package

Screenshots

No response

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 @Twilek-de on GitHub (Feb 24, 2026). Original GitHub issue: https://github.com/maziggy/bambuddy/issues/520 Originally assigned to: @maziggy on GitHub. ### Bug Description Bambuddy shows that there is a new firmware version available. When I try to update I get a ``` bambuddy | 2026-02-24 20:25:04,903 INFO [backend.app.services.bambu_ftp] FTP connected successfully to 192.168.7.183 (model=H2D, prot_c=False) bambuddy | INFO: 172.18.0.13:35262 - "GET /api/v1/firmware/updates/1/prepare HTTP/1.1" 200 OK bambuddy | 2026-02-24 20:25:07,044 INFO [backend.app.services.bambu_ftp] FTP connected successfully to 192.168.7.183 (model=H2D, prot_c=False) bambuddy | 2026-02-24 20:25:07,179 WARNING [backend.app.services.firmware_check] No firmware download URL available for model: H2D bambuddy | 2026-02-24 20:25:07,180 ERROR [backend.app.services.firmware_update] Firmware upload failed for printer 1: Failed to download firmware ``` I dont know wether this is a Bambuddy or a Bambulab problem... ### Expected Behavior Firmware updates ### Steps to Reproduce Try to update H2D firmware ### Printer Model H2D ### Bambuddy Version 0.2.1b3 ### Printer Firmware Version 01.02.02 ### Installation Method Docker ### Operating System Linux (Ubuntu/Debian) ### Relevant Logs / Support Package ```shell ``` ### Screenshots _No response_ ### 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 00:08:56 +02:00

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BreizhHardware commented

2026-05-07 00:08:57 +02:00

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@maziggy commented on GitHub (Feb 25, 2026):

I have the same problem. Bambu Lab has listed the new firmware version but it's still not available for download.

https://forum.bambulab.com/t/wiki-firmware-download-page-is-outdated/233584/4

@maziggy commented on GitHub (Feb 25, 2026): I have the same problem. Bambu Lab has listed the new firmware version but it's still not available for download. https://forum.bambulab.com/t/wiki-firmware-download-page-is-outdated/233584/4

BreizhHardware referenced this issue

2026-05-07 00:15:38 +02:00

[PR #411] [MERGED] v0.2.0 #1040