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Installed Ubuntu 24.04.1 LTS on a 2018 Mac Mini. Its saying that the wifi cannot be found. I have checked out:

Installing Broadcom Wireless Drivers

And it doesnt seem to have my 14e4 model.

lspci -nn -d 14e4: showed:

03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4364 802.11ac Wireless Network Adapter [14e4:4464] (rev 03)

iwconfig showed:

lo        no wireless extensions.
eth0      no wireless extensions.
Ryan
  • 13

2 Answers2

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I don't think the linux-firmware package contains the firmware that device needs, you need to go to https://github.com/NoaHimesaka1873/apple-bcm-firmware/releases/tag/v14.0 and get the compressed file, extract it and copy the /usr/lib/firmware/brcm files to /lib/firmware/brcm on your install, then reboot

Jeremy31
  • 13,293
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@Jeremy31 is the man!

After downloading the file from NoaHimesaka1873/apple-bcm-firmware/releases/tag/v14.0, I saved it to the desktop and ran the following commands:

cd ~/Desktop
tar --use-compress-program=unzstd -xvf apple-bcm-firmware-14.0-1-any.pkg.tar.zst
sudo cp -r usr/lib/firmware/brcm /lib/firmware/
sudo reboot
Ryan
  • 13