@Philbert no, i'm checking in Ookla Speedtest. I ran 10 different tests on different devices. Even changed the test server so they will be the same. The results are consistent.

@TomerA Hi, I'm not sure how to check/change that setting. This one of the other Deco if that helps. Anyway I encounter the problem also when I'm connected to the main Deco.

@Ash1973 Created,. https://community.tp-link.com/en/home/forum/topic/276396?page=1

Hi, I'm experiencing slow bandwidth on wireless and wired devices. Internet bandwidth tested by the Deco APP: Download (48.1 Mbps) Upload (4.1 Mbps) Speed Test on iPhone X (5ghz), right next to Deco:...

@Ash1973 Having the same problem. Speed Test on Deco app is ok, but Speed Test from devices connected to Deco is very slow. Also getting a "congested message" when I check. I'm up to date with the...