IOS Plex Client unable to connect to Thecus NAS Plex Media Server

Plex Players Mobile Devices
2

From what I’ve seen, not so much an issue of the Plex client or iOS but a combination of new Plex clients vs. old PMS versions. Not sure about Thecus NAS… can you update that PMS of yours to the latest version (1.19.3 – publicly released yesterday)