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Hisense 65U8KQ TV and playback via Plex freezes.
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Plex for Vidaa (Hisense) stuttering/lagging

Symptom: When playing 4K content, there is significant stuttering (approximately once every 3 seconds). This issue occurs when using the Plex for VIDAA app on my HISENSE PL1 television. However, the following situations do not exhibit the same problem: Using the HISENSE’s built-in browser Using my PC’s browser Using the Plex app on my LG TV Note that all devices are connected via an Ethernet cable in a local network. To assist with troubleshooting, I enabled the option in the Plex app to se…

But it works fine via DLNA. I simply have no choice at the moment. DLNA only.
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