But all other external clients no longer work
We need a fix! This must be an priortiy.
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Issues here playing MKVs that worked perfectly fine either direct play or transcode before all of this. I get hit with the ‘multimedia file format not supported’. I can play MP4s okay by the looks of it. I have a UE32M5520, latest firmware, plex app 5.25.3 platform version 3. I can gather some logs if helpful but sounds like this issue is still widespread? Would be good to see a fix…
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Any update???
We cant use plex properly. Please give us any information about this problem. When will come TV ap update?
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Samsung just released a firmware update for my TV and it DOES NOT include the new letsencrypt root certificates.
Never buying samsung again.
1/ Installed the new firmware update v1300.3 (MU series, 2017)
2/ Plex client was updated to v5.26.3 platform 3 on the TV
Playback still doesn’t work. PMS says buffering in the dashboard but playback never starts. Attempting to resume playback of files that previously worked flawlessly results in a forever spinning loop.
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I do not know if this is the same problem, because there are a lot of topics from Samsung TV recently, but if it helps someone:
Hi I get the same error - multimedia file not supported on a Samsung TV, did you get any fix?
Samsung TV’s 2020 and above has a new firmware update. Certificate renewed, must update via USB tho.
cheers!
Unfortunately, I’ve tried that; it doesn’t work. It’s something in the most recent Samsung TV client update that broke things.
Nope, and we haven’t had any word from anyone on the Plex Tech Team, so we’re probably not going to see a fix anytime soon.
Hey Plex Tech Team,
I would love to submit my logs to go over to figure out this error, but I need assurances of privacy given that the logs include mine and my friends email address in the logged information. From what I’ve seen the logs just get attached to the forum where anyone can download them, and it doesn’t feel great to put some of this information out into the general public; so please, to build off the post in general, “help me help you help me help you help me”. I’m also curious how to get the logs from my Plex TV client since this is clearly a client issue as the files that no longer work on the Samsung TV Client (that had worked before) work on every single other platform that I connect to Plex with.
Thanks
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You can DM the logs to an employee. They aren’t shared with anyone else outside of Plex, or anyone else really unless we need another set of eyes on the team to look at the logs.
You can turn on logging on the TV via Advanced → Log to Server, and then download the logs as usual after reproducing the issues.
In terms of the actual playback issues mentioned in this thread, we are aware of the issues. I’ve tracked down the cause and I’m working with Samsung trying to find a resolution.
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@sLumpy Great to hear that you’re working with Samsung in order to have this issue sorted. Please could you post an update here when a fix has been implemented?
Many thanks.
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Not silly at all…that worked for me too! Thank you
Thank you so much for being able to provide some information on this issue. If it will help with the situation with Samsung, I can DM you my logs as you have suggested.
Where/how did you get this certificate?
Same here bro. I was ready to pull the plug and buy AppleTV for 180 dollars. SMH.
Good news: the new Plex client version 5.27.2, platform 3 for my 2017 Samsung TV resolves any connectivity and playback issues (no need to tweak any security or language settings).
Many thanks to all involved 
Edit: tested only with direct play thus far
I can not agree with that. I still have Playback Issues. From my point of view its affecting Videos with DTS Sound.
