@Tania35 likely to be a line fault but tge lights on your hub will tell you more see https://www.sky.com/help/articles/hub-lights-explained-start and advisecwhat to do.
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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
