How to Install Realtek rtl8XXXU Driver on Debian Trixie – Step-by-step

GNU/Linux Debian Trixie Realtek rtl8XXXU Driver Setup – Step-by-step Guide

Hi! The Tutorialz shows you Step-by-Step How to Install Realtek rtl8XXXU Wireless Driver in Debian 13 Trixie GNU/Linux.

And this Realtek rtl8XXXU Driver Debian Trixie Setup should be working also after a Kernel Upgrade with the Dkms integration.

Moreover, the Rtl8xxxu Driver support the following Chipsets:

• RTL8188CUS
• RTL8188EU (Basic)
• RTL8191CU
• RTL8192CU
• RTL8192FU (Experimental)
• RTL8723AU (Basic)
• RTL8723BU (Limited)
• RTL8731AU

Many thanks to Developer Lwfinger for his precious and generous Free Work on the rtl8XXXU 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.

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.