Ideally it's best to have all EAP's connected via patch cable, cat5e/6 or better. Then they'll all broadcast the best possible throughput, especially if your LAN is 1Gbps and your ISP provides a...

Have you confirmed from the devices you're testing from are definitely using 1.1.1.3 and 1.0.0.3 as the DNS servers?

Also wanted to point out that AI WLAN Optimization fails if I enable power optimization. I'm not sure which device(s) aren't supported for power optimization, but I definitely see failures in the log...

First and foremost, you'll need to use 1.1.1.3 and 1.0.0.3 as the DNS servers, as those are set up in Cloudflare to block malware/adult content. 1.1.1.1 will not block anything. Secondly, DNS is...

My EAP670's were upgraded last week to v1.0.6 through the Omada controller. Haven't had any issues (so far).

@MateuszMa - what is the signal strength/RSSI from the Wifi client you've been testing from? I have not personally observed channel width changing on any of the frequency bands once I have set them...