Dell Pro Dock Firmware Cannot Be Updated Using a .Cab File in Ubuntu

Summary: This article provides information about Dell dock firmware cannot be upgraded or downgraded using .cab files in Ubuntu.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Affected Products:

  • Dell Pro Dock WD25
  • Dell Pro Smart Dock SD25
  • Dell Pro Thunderbolt 4 Dock WD25TB4
  • Dell Pro Thunderbolt 4 Smart Dock SD25TBT4
  • Dell Pro Thunderbolt 5 Dock WD25TB5
  • Dell Pro Thunderbolt 5 Smart Dock SD25TB5

Affected Operating Systems:

  • Ubuntu

If a customer uses the .cab file to update the Dock firmware, they may see a failing error message.
Device was not updated correctly

Cause

Fwupd tool does not have the required components to update correctly.

Resolution

Workaround:

  • User could use the Linux bin file to update the Dock firmware.
  • User could use a Windows computer to update the Dock firmware.
  • User could use snap to update the .cab file.
    • Connect to the internet then run these commands: 
      snap install fwupd
Sudo dell-fwupdate-dock install ./firmware.cab

Affected Products

Dell Pro Smart Dock SD25, Dell Pro Thunderbolt 4 Smart Dock SD25TB4, Dell Pro Thunderbolt 5 Smart Dock SD25TB5, Dell Pro Dock WD25, Dell Pro Thunderbolt 4 Dock WD25TB4, Dell Pro Thunderbolt 5 Dock WD25TB5
Article Properties
Article Number: 000337140
Article Type: Solution
Last Modified: 17 Jul 2025
Version:  1
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