git clone https://github.com/smlinux/rtl8723de.git -b 4.15-up
sudo dkms add ./rtl8723de
sudo dkms install rtl8723de/5.1.1.8_21285.20171026_COEX20170111-1414
sudo depmod -a
reboot

sudo rmmod -f 8723de
sudo dkms uninstall rtl8723de/5.1.1.8_21285.20171026_COEX20170111-1414
sudo dkms remove rtl8723de/5.1.1.8_21285.20171026_COEX20170111-1414 --all
sudo depmod -a
reboot