The really annoying thing is this - if I log into my router from a browser, for a split-second it shows these drop down boxes to select a 2.4GHz or 5GHz channel...then it quickly hides these options...

I've had my Deco M4 network set up for what must be at least 2 or 3 years now, in router mode. Never had any issues before, it was perfect... Since recent updates however, the WiFi constantly drops...

@Mawaukee Completely agree. I too have been looking at the Nighthawk after reading a lot of positive opinions. My Deco M4 WiFi has been completely ruined by recent updates yet TP-Link will not allow...