Brcmfmac Debian Bullseye Driver Installation – Step-by-step

Installing

2. 2. Enabling Non-free Repo

   How to Add Debian Non Free Repo Preserving System

   contrib & non-free Repos Setup Guide

   Link to Step by step Debian Non Free Repository Setup Guide

3. 3. Installing Brcmfmac Driver

   Then to Install Brcmfmac Driver in Debian
   Simply run:

   sudo apt install firmware-brcm80211

   Last, to Enable it Reboot with:

   sudo reboot

So Now I’m truly Happy if this Info could Help you to Install Brcmfmac Driver on Debian 11!