Install b43-fwcutter by entering the following commands in the terminal:
sudo apt update sudo apt install b43-fwcutter
Description:
utility for extracting Broadcom 43xx firmware
This package provides a tool for extracting BCM43xx wireless chip firmware from Broadcom's proprietary driver files. . It is used by the firmware-b43(legacy)-installer packages as part of the automated process of downloading and installing firmware.
Homepage: http://wireless.kernel.org/en/users/Drivers/b43
Version: 1:019-3
Section: utils