@Kevin_Z Of course I tried to reboot Decos, first from the App, later from the web GUI, the three of them. I have just tried as you suggest to let connected only the router Deco with no better...

Thanks for the reply. Surprisingly, or may be because I have hardware (EU) V1.0, Android App. et Web GUI only propose to me the actual version 1.3.1. On TP-Link website support, hardware (EU) V1...

Hi, I cannot change anymore device name, or priority network of the device, or using mesh or not, and so on. It keeps the change 1 sec. and revert back. I tried to wipe date of the app, to...