Just made a discovery: Checked my router, and it indicated one of the ports was only connecting at 100mbps. I checked which M5 puck that corresponds to, and it was the one I was connected to. I...

Perhaps, but that doesn't explain why it was working fine before. And for that matter, even with ethernet backhaul it was still slow, until I killed the 2.4 network. And, now as I type this and tried...

Just killed the 2.4ghz network, and that improved things greatly. 150mbps on wireless now (5ghz). For whatever reason, all devices capable of 5ghz were choosing the 2.4 network. This createds a minor...

I'm having the same issue, and have tried all the troubleshooting as described. Even tried changing to an ethernet backhaul to see if that helped. I'm on 1000mbps internet, but the Deco app speed...