@Rw500 Do u want to connect router with Deco?

@Decofab Yeah exactly 5 GHz can't penetrate walls easily like 2.4 GHz so you can keep other deco units closer to Main Deco.

@David-TP I'm still facing this problem on Deco M4 (V2) firmware version is 1.8.1.

@Martin_MW First of all remove your Deco network from Deco App and do the setup again. Main Deco always connect to ethernet cable which is coming from ISP router to access internet connection. Then...

@chrsxen Deco X50 latest firmware is 1.7.1 for hardware version V1 and you can download and install the firmware from the link below. https://www.tp-link.com/en/support/download/deco-x50/v1/#Firmware

@German_Soler What's your Deco X20 Hardware Version and your Deco X20 firmware 1.5.3 is very old and you have to update to latest firmware because latest firmware of Deco X20 support Connection...