@RafaelCarvalho Try Access Point mode and if problem does not go away, it might be hardware issue.

@kiddosquall In your case, you can make Main Network 5GHz only, and connect Oculus Quest to it. That should work, because all LAN devices are on Main Network. In Router mode Guest Network is always...

@DaveP67 I may be able to recommend something for WiFi coverage in the house and extension, but I'll need the following information from you first: 1. Do you run Deco mesh in Router mode or in Access...

@MJencek Is it possible your WiFi clients connected to Guest Network? I have pair of M9 Plus, Main is wired and Satellie is connected by WiFi, but I run them in Access Point mode. I can reproduce...

@RafaelCarvalho You did not say if you run Deco mesh in Router mode or in Access Point mode. If you run it in Router mode, check if this FAQ has the solution: Using QoS feature of Deco If it does...

@willyc83 Yes, it will work with S4 just fine. This is the whole set of Deco models compatible with S4 mesh: E4 (use it as wireless satellite Deco unit only, not as Main or wired Satellite unit, has...