@A5r Sorrry but we would need a lot more information from you to be able to help with this. Namely an example of an app and exactly how its not working, what testing have you done so far?

@Anabel65 As the Deco has LAN and 2 WiFi antenna, there are technically 3x possible addresses that this device could have depending on how you are connected to it Personally, wouldn't worry about...

@CliffA Whats it look like from the local IP? Dont trust the cloud portal for diagnosing local issues, better going straight to IP Can you ping the controller?

@DaKings Or something like OurPact free MDM for the kids devices

@tim-hilt There will always be a delay of 30 secs or so on the controller webpage so dont take this as gospel, however if you have the same SSID set for both 2.4 and 5ghz enabled, band steering...

@samnade Your issue wont be the APs, rather the devices themselves. APs can send signals much futher than a client device can reply from, so even the lowest EAP610 can send a decent signal 50m down...