Is this on Now Broadband?
In which case, do the Line Check here:-
and you will be put through to an advisor if things are not as they should be.
If it’s not Now Broadband, then same thing, but through the website of whoever does provide your broadband.
It is Now broadband.
Clicked on your link and says that all is OK.
Followed instructions re setting up android phone to new router, but still have same messages and asterix next to Wi-Fi signal image on mobile.
Reckon must be phone, rather than router/Wi-Fi.