Hi, I am having troubles with this router and my Zenpone 10, which supports WiFi 7. When I am close to the router, the phone connects to WiFi 7 5GHz band, but when I move to the second floor the phone

My Archer BE550 got upgraded yesterday to version 1.2.2 Build 20251209 rel.57736(4555). Since then, my LAN connections are not working anymore ( 1 Windows 11, 1 Mac, 1 TV). Sometimes I manage to make