I am unable to connect to any wi-fi networks that require a login through what I assume is captive portal. This worked fine for perhaps a year but has stopped working recently. I am running Android 8.1.0 on a Nokia 6.
I get the following response after attempting go to the login:
connectivitycheck.gstatic.com/generate_204, try some solutions here to resolve – xavier_fakerat Jul 05 '18 at 17:17