Step-by-step – Realtek Rtl8188FU Debian Bullseye Driver Installation

Installing Driver

4. 4. Installing Dependencies

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

   sudo apt update && sudo apt upgrade

   In this case then Reboot it using:

   sudo reboot

   Then run:

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

   Authenticate with the User Admin Pass.

5. 5. Installing Realtek rtl8188FU Driver

   Then to Install rtl8188FU Wi-fi Driver for Debian
   (Especially relevant: this set up for the kelebek33 Driver, for the alternative one check the Developer Docs…)
   To Add it to the DKMS Modules:

   sudo dkms add ./rtl8188fu*

   Again to Build it with DKMS try:

   sudo dkms build rtl8188fu/1.0

   Now to Install it play:

   sudo dkms install rtl8188fu/1.0

   Next update the Linux Kernel Firmware with:

   sudo cp ./rtl8188fu/firmware/rtl8188fufw.bin /lib/firmware/rtlwifi/

   Then to reboot System use:

   sudo reboot

   Finally, to list the available Wifi Interfaces run:

   ifconfig | grep wlan

   The grep Command refine the output List showing only the Entries matching the Keyword.
   For further details and insight see directly the Dev Docs.

So Now I’m truly Happy if My Guide could Help you to Install Realtek rtl8188FU Driver on Debian Bullseye!