@Andr1k
If I understand correctly the rtl8188 driver is compatible with your rtl8189, so you may try this
https://forum.armbian.com/topic/26917-rtl8188fu-driver-install/
https://github.com/sgjava/rtl8188fu/tree/arm
Compile and install with (the script expects this way)
./rtl8188fu-arm/scripts/install.sh
I am running in my unit with success