For Kernel 4.15.x ~ 5.11.x (Linux Mint, Ubuntu or Debian Derivatives)
sudo ln -s /lib/modules/$(uname -r)/build/arch/arm /lib/modules/$(uname -r)/build/arch/armv7l
sudo apt-get install build-essential git dkms linux-headers-$(uname -r)
git clone -b arm https://github.com/kelebek333/rtl8188fu rtl8188fu-arm
sudo dkms add ./rtl8188fu-arm
sudo dkms build rtl8188fu/1.0
sudo dkms install rtl8188fu/1.0
sudo cp ./rtl8188fu/firmware/rtl8188fufw.bin /lib/firmware/rtlwifi/
Run following commands for disabling power management and plugging/replugging issues.
sudo mkdir -p /etc/modprobe.d/
sudo touch /etc/modprobe.d/rtl8188fu.conf
echo "options rtl8188fu rtw_power_mgnt=0 rtw_enusbss=0" | sudo tee /etc/modprobe.d/rtl8188fu.conf
Run following commands for disabling MAC Address Spoofing (Note: No need this on Ubuntu based distributions. MAC Address Spoofing is already disable on Ubuntu base).
sudo mkdir -p /etc/NetworkManager/conf.d/
sudo touch /etc/NetworkManager/conf.d/disable-random-mac.conf
echo -e "[device]\nwifi.scan-rand-mac-address=no" | sudo tee /etc/NetworkManager/conf.d/disable-random-mac.conf
sudo dkms remove rtl8188fu/1.0 --all
sudo rm -f /lib/firmware/rtlwifi/rtl8188fufw.bin
sudo rm -f /etc/modprobe.d/rtl8188fu.conf