and have you checked that the match you're trying to view is available - further to earlier reply, games are subject to geographical restrictions - if they are being shown on Sky they won't be available to stream in the UK etc.
The ISPs including VM will block the stream (not 'your' IP address) as far as I know.
You can check the 'blocked' matches on the efl website;
https://www.efl.com/broadcast-schedule/
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I know a bit about Wi-Fi, Telecoms, and TV as I used to do it for a living but I'm not perfect so don't beat me up... If you make things you make mistakes!