@hany2k highly unlikely to be the hub wearing out however Sky are replacing the flat black Sky hubs.
More likely is poor signal where your phone is but worth checking if your phone has WiFi assist enabled which switches to using mobile data if that is faster
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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
