@Mhairi__ see https://www.sky.com/help/articles/setting-up-sky-q which will walk you through the various combinations of different routers and Q boxes. If you get stuck pistvagain but includecdetails of where in the process you have hit an issue.
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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
