@Pommes what do the leds on your Sky hub show? They can help,diagnose the issue and what to do see https://www.sky.com/help/articles/hub-lights-explained-start
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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
