@Jal what do the lights in the hub show see https://www.sky.com/help/articles/hub-lights-explained-max-hub
if the hub is not connecting to the line you will need to call Sky.
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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
