Keyboard firmware update doesn't work?

[TechPriestNhyk]

Copy pasta from a comment of mine in another thread. Perhaps this will help:

Fwupd fails for keyboard/numpad 0.31 update

I’ve spent a lot of time recently building custom firmware for my RGB keyboard. If you hold down both the left and right alt keys while putting in the track pad module (keyboard doesn’t receive power until the touchpad is in place), the keyboard will pop up as an external flash drive (it’s in bootloader mode). You can then drag the appropriate firmware *.uf2 file onto that drive, and it will automatically install the update and reboot the keyboard. You just gotta make sure you download the right…