@JimBon Your Internet connection went down, or you turned off ISP router, or connection between Main Deco and ISP Router is lost (Ethernet cable unplugged, bad cable?). You thought it is Deco issue,...

@Gabriel83 This is what you can do to add more Ethernet ports to Main Deco.

@hatadearg As an initial troubleshooting step, change Deco Operating Mode to Access Point. If all Internet connectivity problems disappear after that, it would mean the issue is somewhere in...

@RickyT This is Deco speedtest reporting issue. You are still getting gigabit download speeds. My Internet link is gigabit. I run Deco M9 Plus in Access Point mode (you call it bridge mode) and...

@prinsipengharry I have Deco M5 with same firmware version as yours. At the distance of 8 feet signal strength on my smartphone connected to M5 is reported as Excellent. That's on 5GHz, with 2.4GHz...

@rath367 This is how 2.4 GHz and 5 GHz SSID split can be configured for Deco mesh: