I installed a router for a friend of mine. It is the 86u. He is having issues with it though. If he goes on the router and links to the main SSID name, all it does is sit and buffer most of the time he says. He will then switch to the guest and it works perfectly, so he is content with just using the guest. I don't like that so I am trying to find out what I can do to make it work properly. What settings do I need to change? I am not an expert with this for sure. I'm just helping out...
RT-AC86u router acting strangely
RT-AC86u router acting strangely