New high speed Wifi keeps dipping in and out -

[Cat421]

Two days ago had new high speed broadband fibre wifi installed and since then the WiFi keeps dipping in and out on our phones -service in the area is fine , we are all logged in to the new hub properly on our phones but it keeps dipping to the point where we have to rely on our 4g to use our phones without interruption? Any ideas! 

[caesarome]

@Cat421 

Try running the line test here to see if any faults are found:
https://www.sky.com/help/articles/broadband-diagnostic-start

You can also run the test via the MySky app on a mobile data connection.

After this has finished and if it reports back all is good click on broadband to run an updated test. If you get amber or red please follow the on screen instructions.

If this is of no help give Sky a call to report it to them.

[JimM1]

@Cat421 When you change to Fibre did you also at that point change the sky Hub!