I also bought one in early 2020. No issues booting with mine. Based on some research, it looks like if you want video acceleration to 'just work' your best bet

I also bought one in early 2020. No issues booting with mine. Based on some research, it looks like if you want video acceleration to 'just work' your best bet is running Armbian with these instructions: https://forum.armbian.com/topic/16516-rk3399-legacy-multimedia-framework/ https://forum.armbian.com/topic/16516-rk3399-legacy-multimed...