Welcome to Vodafone Community
Not sure if this will help @Jamesarthurs
"For anyone with the streaming not working try turning off the above slider in Settings - Turning this off under iOS 11 got my Sky Sports TV app to work again, tested on iPhone 7 Plus, iPad Pro and iPad Mini 4."
Current Phone > Samsung Note 9 _512Gb > Model: SM-N960 Hybrid-Duos.
Samsung Gear s3 Frontier Watch.