@Zehra1 what are the lights on your Sky hub showing. If the internet light is amber it means there us no connection to the exchange. Run the connection test in the My Skyapp over a mobile connection as that will tell you if there is a known fault. If there isnt call Sky and report the fault.
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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
