@philk87 I'd guess that there is no further interest from tp-link to analyse my described problem or to provide some sort of help. I installed many Deco devices over the last month's (family,...

@David-TP Hi, thank you for answering my post. The main M4 is running in AP Mode since the beginning (DHCP is done by the main router - Telekom Speedport Smart 3). I have no devices directly...

Hi, I purchased a 3-pack of M4s from amazon.de (Germany). For the last couple of weeks I had massive problems with all different kind of devices (Amazon echo dots, Fire TVs, mobile phones, Xbox...