Makes sense. Ill buy one for my U79 but ill try tweaking around with my C9. Maybe there is some unholy combination of settings that might work for meThe Plex app doesn't work on my U79 as well and it fails to find the server. I believe it's the same reason for both of us.
I believe the reason is that the Plex app is outdated on both VIDAA and WebOS. This was the main reason I got a firestick 4k (and I recommend you do too before the sale is gone). The Plex app is also a lot newer and works better on firestick than on VIDAA.