GNU/Linux Deepin 15 Installing Broadcom BCM4331 Driver Guide
How to Install Broadcom BCM4331 Wi-fi/Bluetooth Driver on Deepin GNU/Linux 15.x desktop.
The Package Provides the Source Code for the wl Kernel Modules and makes use of the DKMS Build Utility to Install them for the Running Kernel.

GNU/Linux Deepin Broadcom BCM4331 Driver Installation Guide