@Perplehair if other drvices are connecting normally I would cgeck the network settings on the phone. If those are OK then condider if the loss of connection maybecdown to where you are in your home as areas with poor WiFi signal are quite a common 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
