@AB1291 a lot depends on the wall between the two rooms and other obstructions like radiators. Make sure the hub is out in the open and off the floor on a surface well away from other equipment. If your home has brick internal walls these inevitably will reduce signal levels while any metal will bock the signal completly its simple physics. Turn off settings like WiFi assist on the phone as that will switch to using mobile data where it 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
