How to Install Realtek rtl8912AU WiFi Driver on Ubuntu 25.04

GNU/Linux Ubuntu 25.04 Realtek rtl8912AU Driver Setup – Step-by-step Guide

How to Install Realtek rtl8912AU Wireless Driver on Ubuntu Plucky 25.04 GNU/Linux.

And this Realtek rtl8912AU Driver Ubuntu 25.04 Setup should be working also after a Kernel Upgrade with the Dkms integration.

The RTL8912AU chipset is commonly used in modern USB Wi-Fi adapters and supports cutting-edge 802.11ac/ax/be (Wi-Fi 7) standards, offering tri-band operation across 2.4 GHz, 5 GHz, and 6 GHz frequencies and advanced capabilities like WPA3 encryption, MLO, and high-throughput data rates.

Many thanks to Developer Morrownr for his precious and generous Free Work on the rtl8912AU Driver — GitHub Page.

Especially relevant: the supported Kernel Range may vary over time, as does the Driver itself — for up-to-date details, see the Developer Documentation.

To ensure the best setup for Realtek WiFi drivers, it’s recommended to update or upgrade your kernel. This process can help in resolving compatibility issues and improve driver performance. You can follow the detailed guide on how to Update your Kernel on various GNU/Linux distributions here.

Especially pertinent to consider, as a Simpler Alternative, you should initially attempt with the PPA rtl8912AU Driver Setup.

1. 1. Launching Shell Emulator

   Open a Terminal window
   (Press “Enter” to Execute Commands).

   
   In case first see: Terminal QuickStart Guide.
   

2. 2. Installing Dependencies

   Then to Install Required Packages
   First, possibly Upgrade your System with:

   sudo apt update && sudo apt upgrade

   If a New Kernel has been installed, reboot the system using:

   sudo reboot

   Again run:

   sudo apt install build-essential linux-headers-$(uname -r) dkms unzip git

   Authenticate with the User Admin Pass.