@Carl Thank you for your help and pointing to the chat. The solution was to turn off the QoS settings.

@Carl I've added highlighting to the original post as it's answered your recent questions. Is there a way to chat directly without posting on the forum and waiting for a response? ---- Model: Deco M9...

@Carl When I run the test from the app to get the speed that the router is seeing through the modem, I get 300-350Mbps. When I run the speed test from anything going through the router (wired or...

@Carl Hi, any thoughts?

@Carl The Deco is a wifi router. Mesh mode is on but my tests are from the unit pluged directly into the cable modem. I've tried turning off mesh as well.

Much like the old thread, https://community.tp-link.com/us/home/forum/topic/152513, I'm getting solid 350+Mbps on a speed test from the Deco app but ~125Mbps to any devices. The firmware is up to...