firmware-b43legacy-installer software package provides firmware installer for the b43legacy driver, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install firmware-b43legacy-installer
firmware-b43legacy-installer is installed in your system.
Make ensure the firmware-b43legacy-installer package were installed using the commands given below,
$ sudo dpkg-query -l | grep firmware-b43legacy-installer *
You will get with firmware-b43legacy-installer package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Kernels |
| Package | firmware-b43legacy-installer |
| Version | 1:019-3 |
| Description | firmware installer for the b43legacy driver |
| Sub Section | Kernels |