@carolemarch where is your phone plugged in? If you had a new broadband service fitted yesterday it is probable you need to switch the phone from the old phone socket on the wall to the socket at the back of the Sky hub.
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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
