@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:

@Rostagroup You will need 4G hotspot/router, and it must have an Ethernet port. See ZTE MF279T as an example of such device. Connect Main Deco to 4G router Ethernet port, and you are all set. Start...

@__jeffyeh If this can't work either, see if you could get same model of ZyXel powerline adapter I have. I noticed mine has just one Ethernet port, yours - two, what if it makes the difference? Just...