5GHz wifi not working
Fixed it. I now have 5GHz network.
I downloaded the DEB firmware package from Armbian and copied the brcmfmac43455 (NOT the brcmfmac43456) version of the WiFi driver in /lib/firmware/brcm/
See attachment for the three files.

Attached Files
.gz   brcmfmac43455.tar.gz (Size: 394.3 KB / Downloads: 107)
I'm on Manjaro ARM, latest release at time if posting. My understanding is put this in /lib/firmware/brcm/ and delete the 434556 firmware files? I've done that, and I still have wifi after reboot but I don't think my 5ghz is working still. Would this not work on Manjaro for some reason?

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