Many people are having this issue and have had there WiFi cut out. Personally its caused me alot of inconvenience and im tempted to make it a complaint and take this further due to the impact its has had. Sort this issue ASAP please.
See this thread.
https://community.nowtv.com/t5/Account-Billing/Issues-paying-my-bill/m-p/591798#M20665
For some reason noone is answering the calls ive been trying to call for over an hour! this is ridiculous and unfair
There is a big red box/banner to warn about the long call times on this link.
https://help.nowtv.com/get-in-touch/now-broadband-calls