You can build armbian rk1 image yourself from their repo, this is what i use and it's running fine https://cdn.discordapp.com/attachments/1179360051442487427/1392592153355747459/armbian_rk1.PNG?ex=68701802&is=686ec682&hm=207a9855ceaac985b648c35f59bb001784a0665159921af9b27fba598c934d11&