Zorin doesn't install Dell firmware update

[Pixor]

Regularly, I'm notified by Zorin's Software app that a Dell firmware update is available. It's always v1.11.0 > v1.25.0.

When clicking on “Install”, I'm asked to re-boot the system. After doing so, the update notification in the Software app is gone. However, after a couple of days it always re-appears.

Trying to upgrade using Gnome Firmware fails too.

What can I do about this? Thanks!

OS: Zorin 16.2 (Ubuntu 20.04 LTS)
Linux kernel: 5.15.0-71-generic
CPU: 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz × 8

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When asking this on Stack Exchange, I didn't get any response.

[SignorCastello]

Can you download the update, put it on a USB stick and update the bios from the bios itself?

[Pixor]

I don't know how to do that.

[Aravisian]

https://www.dell.com/support/kbdoc/en-us/000131486/update-the-dell-bios-in-a-linux-or-ubuntu-environment

[SignorCastello]

Here is what I've been looking for. You're stellar!

[Pixor]

Does this delete any files on the computer? (It shouldn't touch the disk, right?)

[Pixor]

While rebooting, I opened the BIOS Flash Update menu which directly fetched the firmware update from Dell's server and hopefully installed it correctly. At least, fwupdmgr says there are “no updatable devices”, so I consider the issue fixed for now. Thanks!