Just upgraded from an ASUS RT-AC3200 to a GT-AX6000. The GT-AX6000 came with firmware 3.0.0.4.388_23285.
For the hell of it I tried importing my RT-AC3200 config into the GT-AX6000... and it worked! Most everything configured, looked incredible!
But alas, it was too easy, as soon as I...