@Shumon17 Wi-Fi 7 is backward compatible with Wi-Fi 5. WPA8631P should be able to work with your new router. WPA8631P v3 even supports Easymesh feature as well.

@RealStaticVoID Use another web browser or incognito / private tab to exclude any browser cache issues. You can reset the router to its factory default settings and check if that helps (press the...

@Romax Is your firmware region (US) ? - that's on the router bottom sticker - details. If that's correct try to downgrade to the previous firmware version and check how it goes. Downgrading the FW is...

@VicL Archer VR1210v shoulld manage to cover the distance you mentioned including bungallow's inside/outside walls.

@HelloStarWarsFr Both BE550 v1&v2 support building an ethernet backhaul - details. Here's the guide on how to do that. Depending on your premises size, probably only one BE550 can cover it.

@NiyoNiyo In the first two cases that's most probably because you're using the corresponding dedicated app on your mobile instead of a web browser. Sometimes dedicated apps are using a pre-defined IP...