@WireWrangler it was Netflix (not YouTube) that lowered the resolution because of the lockdown. It is not a WiFi problem and the 4K seems to not be an issue at all if the YouTube app is on a media player external device.
@ElinH thank you for the update. The problem is that Samsung does not give and information that they have taken this problem seriously. I know of people in the forum who has now sold their TV set with a loss to get a new TV. There is still no information as to WHY and WHERE the problem is located, and with no official word from Samsung that they officially acknowledge this (which you did, but is totally lacking in the UK forum - in the long thread about this issue and smaller threads addressing this), and you are the first that bring this information that Samsung is taking taking this "seriously" and are working towards solving this. The problem is that it has now been MONTHS and we have been talking to a wall ! The lack of respons is insulting and frustrating. When a serious matter like this occurs, then first take this problem seriously, try to find out what is wrong (don't take it for granted that it is wrong elsewhere, which as a frustration in the beginning and which took a lot of efforts to us customers who also had a lot of extra costs of money !!!!), then this problem needs to be officially acknowledge (I think you were the only one who did this after I had to find other TV owners who was experiencing the same problem,, which I did - but it should have been Samsung's work !), now that the problem has been acknowledge there are still NO RESPONS TO WHERE AND WHY THIS PROBLEM OCCURS, and it would have been great to hear that Samsung would go out officially and tell us customers that they are working on fixing the problem - but again WHAT AND WHY (is it software or hardware ?) ! This reminds us TV owners a lot of the endless speculations that us 8K TV owner had about the lack of HDMI 2.1 - which is still being speculated about three years later... This is why many of us have a very negative way of handling this. It would be like a kid in the kindergarten who is being punched in the face and the people who work there does nothing, then comes up with a silent solution which neither acknowledge nor does really fix the problem - and then a new problem and the same silent behavior.... All this kid wants is to get the hell out of the kindergarten !
Let me also say this @ElinH I know this is not your fault, so do not take this personally. I think your intentions are good, but the way Samsung is handling this is very unprofessional and unfair for us customers. I am surprised how poorly this and other issues have been handled. It brings out very strong emotions and a very negative attitude towards a brand. Also know that there are 85% of customers who never complains to a company (it is a well-known theory in marketing and sales). As mentioned many times this is quite stressful - and not only on the TV owners, but also other in the household - in my house the house owner got the new internet provider and new cables, etc. installed, which I did pay part of the cost - and also YouTubers are also affected, etc.). A friend of mine got a new 8K TV and he does not share his enthusiasm with me as he knows how terrible I have felt about the problems I have had. So this digs deep ! If only Samsung could have been TRANSPARENT - it would be much more appreciated by us TV owners !
I also want to add that I think YouTube should also come out with an official statement as to why their app have been behaving so poorly on the Samsung TVs (I do not know if this 4K, 1440p, 1080p problems have also occurred to others TV brands, however people in the forum have stated that their other TV brands they have in possession does not have this particular problem - though I might be wrong as I have not looked into this, nor is it my job to do so).
New YouTube app version: web_20210203_00_RC00 ! As usual my TV seems to be working fine with the 1080p. but not yet tested higher res. as I just get stressed out and feel so hugely disappointed when it goes back to buffering and defaulting (not experienced black screen, other when the buffering begins in the beginning of the video).
