@NAISHADH Must be something with the 3-meter Cat 6 cable you are using. Hate to say it, but what if it is a counterfeit? At my home network, that includes wired Satellite Deco M5, it is connected to...

@Speedbird1 >do I have to switch my original router to Modem mode or leave it in Router mode? I suggest you leave your ISP router as is, only turning off WiFi on it. Only if that does not work,...

@Speedbird1 You need to decide if you want to use Deco mesh in router mode (parental controls, etc., etc.) or in Access Point mode (works like advanced range extenders, but nothing more). This will...

@arunsethu Yes, you can make new M4/M5 your mesh Main Deco, without redoing the whole network. There is an option in Deco app to Set Main Deco. To make it work, connect M4/M5 by Ethernet cable to hub...

@arunsethu If you buy single unit M4 or M5, make it your Main Deco, and connect E4 to it wirelessly, the speed should increase. The bottleneck you have now is using E4 as Main Deco with its 100Mbps...

@arunsethu Deco E4 has 100Mbit Ethernet ports.This is what limits speed of connection. If you can, return E4 and get yourself set of Deco M4 or M5. If you can't return E4, buy additional single M5,...