Help with Kali Linux wifi not working but works with Manjaro

[Niko]

Hello,

I usually use PBP with Manjaro and everything works great.  I recently flashed Kali on SD card but for some reason it's not connecting to wifi.  I'm still very new to Linux.  I tried searching online for the answer but can't seem to find it.
I ran airmon-ng command and this is what I got:

phy0      wlan0     brcmfmac        unable to detect for sdio 0x02d0:0xa9bf


Does anyone know what's wrong and how I can connect my wifi?

I had a similar issue (I am not sure it is the same issue but who knows, it could help some people).
In my case, as I understand it (I may be wrong), the issue seemed to be caused by a different wireless card in the new pinebook-pro of 2022 compared to the previous one (I don't know about your version of the pinebook since you posted in May).
In my case, I could see the origin of the issue by typing in a terminal:

Code:

sudo dmesg | grep brcm

I saw some lines that contained words like "firmware:" and "failed to load". At some point (as I understand it), the driver for the Broadcom wireless card will ask udev for a firmware, in order to flash it in the Broadcom chip. It fails because the requested firmware is not present.
By the way the "dmesg" command seems really useful for beeing aware of failures that can happen when the kernel is booting. And it is not specific to Debian, so the command should be available on any linux distribution I guess.

The issue has been reported here and a fix was created.
I am not sure if the fix is already included in the kali release image from here or not yet.

Since I had already installed kali, I prefered fixing it without reinstalling it. Here is what I did.
I downloaded the missing files from gitlab:
https://gitlab.com/kalilinux/build-scrip...5-sdio.bin
https://gitlab.com/kalilinux/build-scrip...o.clm_blob
https://gitlab.com/kalilinux/build-scrip...ok-pro.txt
And I copied them into the filesystem of my kali installation inside the folder: "/lib/firmware/brcm"

Then, after a shutdown and a restart, I could connect to wifi networks.

I hope it will help some of you.