I think I've fixed the issue (at least a workaround) using an S8 connecting to a Virgin Media Super hub 2. Login to your router Go into the advanced settings Enable 5GHz First Guest wireless network. Choose an SSID - seems it must be of the form VM123456-5G. Where 123456 can be any 6 digits you like. Untick "enable SSID broadcast" and don't give the SSID to anyone else- ever. Choose Wpa2-PSK[AES] Enter a nice long password Apply. Now on the S8: Settings, connections, wifi. Add network. Enter the SSID as the network name Try connecting. I've been reliably connected to my home wifi for 3 days with no issues. Fingers crossed it holds. This "solution" is via trial and error and reading posts by others. Weirdly. It seems that the primary 5GHz network drops in and out all the time. Then the S8 doesn't auto-reconnect or at least tries too quickly. Or another device is bricking the connection when it reconnects- maybe Alexa? A static IP did no good for me.
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