@Hippy if other channels and apps are fine then it is very unlikely to be an issue with your broadband. Depending on which streaming service you use this thread in the Sky Stream forum may help.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
