I can still login to the GUI and use the tether app just fine. I'm having to do that every 18 hours or so to toggle the wan type to maintain an active connection.

@Kevin_Z hi, for the router to work properly with my ISP the wan type needs to be set to normal and get ipv6 to static but that causes a bunch of weird symptoms (google homes not responding, some...

not sure if i should return the router as it is has a flaw when connecting to certain isps. I am from the UK and am with Sky FTTP connected directly to an ONT. The problem is with ipv6 configuration....