Hi! I think I found final solution of our problems. The cause of the problem is connection to the network which has IPv6 transmission enabled. For some time my TV has same bahavior. (Netflix stops after few minutes, internet speed drops to 0) The answer found on Polish Samsung forum, posted by @vdsl2 user. All you need to do is to check you IPS for active IPv6 prefix. Samsung TV SmartHub seems to not like IPv6 protocol. Enter the site on your PC and check your network: https://test-ipv6.com/ If you have IPv6 turn ON by your IPS you have to TURN IT OFF (use IPv4 old protocol). You could do this by accessing your router configuration, or by contatct your IPS support (depends on IPS provider). Currently, more and more Internet providers are activating IPv6 as the default protocol ( In poland Orange, UPC) In my case IPv6 was Active. After disabling my wifi in tv (2017 MU series) works perfect again!
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