# Check your device ID lspci -nn | grep Broadcom Manually fetch the firmware (Debian/Ubuntu example) sudo apt install firmware-b43-installer Or copy the blob from a Windows driver extraction sudo cp brcmfmac4313-pcie.bin /lib/firmware/brcm/
If you’ve recently salvaged a Wi-Fi card from a low-end Windows laptop or purchased a “dual-band 802.11n” mini PCIe adapter on a budget, you might have encountered the . broadcom bcm94313hmg2l driver
Only if you get it for free or under $5. For the same Mini PCIe slot, a Realtek RTL8821AE or an Intel 7260HMW offers dual-band 802.11ac and far better driver sanity. # Check your device ID lspci -nn |