I have 2 RT-AC87U's I updated the firmware on both and reset the router. After about 5 minutes the GUI stops responding, but internet still works and I'm able to telnet into the routers. I reboot them both, 5 minutes later same thing happens. I go to the GUI, it takes me to the login page, enter my info and goes to a blank screen. Thinking that the file was bad I downloaded the firmware again and started over fresh, same thing happens. Anyone else having this issue? I contacted Asus support and they asked why would you update the firmware lol. My response was why publish firmware if you don't want users updating their hardware. I was connected to a "2nd" level tech and he said the firmware was going to get pulled, don't know how true that is but I figured I would share.
i also have 2 87u and have no problem with gui
Agreed. After making a change and it refreshes I can no longer access the config. Wifi/hard wired appears to still work.
I emailed Asus today regarding this issue, waiting on a response.