It looks like some devices that can't support fast roaming have this problem. I suggest you, enable only 2.4 Ghz, connect devices which has this problem and in the Deco App, select this devices to do...

Since February, no more reply from TP-Link. I'm having same issue with my Deco M5. After few distance of the router, Decos are pushing back the devices to 2.4 Ghz instead keep them in 5.0 Ghz. When I...

Dear TP-Link Support, I kindly ask a support to solve one issue found in the replacement that I got of Deco M5 V2. Just noticed that Band/AP steering is not working properly as previous version v1....

@Drummond Looks like just 3 devices has this problem. Did you enable Fast Roaming? If yes, try to disable it and check whether this error disappear.

@Alexandre. Hello Alexandre, thank for your sharing. It's a shame to tp-link since Samsung is the top brand of mobile and I have never face this problem before with any brand of router/AP. It's not...

I have Deco M5 and can´t see this option to isolate or no from the main network. Can you describe which software version is running on your set up?