That's nice and all, and I did that. But afterwards, even after switching back to 4.2.1 once I'd saved outside, I can no longer go into my house. Fighting in my gym means nothing now because when it sends me home afterwards, my game goes kaput.
Finding the ice-pit thing in the Cold Steel Caverns is so damn hard to find. A little help? I'm wandering in circles trying to find it for the Gym Guy's icy rock quest.