I fixed my slow Deco with using cables to two of the three Decos The two that are connected w cable to the router gives 500MB Wifi speed and that is my connection.

@nesbocaj Hi Yeah the Deco is connected to my IPS router and it is set in bridge mode.. But never checked if the wifi is off.. its worth a check I guess.. thank you.

So.. I have done some troubleshooting and this Deco M4... I must say, really disappionted. I have fiber from my ISP 500/500 MB line. Gone through the suggestions in this thread and others, but I can...