sudo apt update && sudo apt install git dkms git clone -b extended --single-branch https://github.com/lwfinger/rtlwifi_new.git cd rtlwifi_new sudo dkms add ../rtlwifi_new sudo dkms build rtlwifi-new/0.6 sudo dkms install rtlwifi-new/0.6 sudo modprobe -v rtl8723de ant_sel=2