After I updated to the latest iOS on my iPad (was putting it off for a while), I started to get the load bug, where after I clicked on a shelter to load, the program crashes. This was quite frustrating since I've been playing it non-stop with 200 dwellers, 400k in caps, and about half my folks maxed out on all stats. Ok, maybe I've been playing a little too much.
When I got the bug, I tried all different things to try and fix. Nothing seemed to do it. It was frustrating since after it crashes, if I double tap the home button, I can actually see my game working fine. If I tried to open it from that screen (of apps running in memory), it would just go through the normal process of restarting and then crashing.
After a few days of trial and error, I tried this:
I opened the program. Waited a sec and clicked on the Open Vault button. From there, it gives you the lame hints like it normally does, and then after a while, freezes on one of the hints. At that point, from experience, I know that the screen will eventually turn black and then reset back to my iPad desktop.
This time, right when the screen turned black, I double tapped the home button on the ipad. Instead of showing a black screen in my list of loaded apps, it showed the Fallout Shelter Options menu. When I tapped on it, it did the normal restart of the program, but this time, after I clicked on the vault to open, it took me in the game. I was flabbergasted!
Since then, I've opened the program about 10 times and it's worked each time.
Although I labeled this topic as a fix, I can't really confirm this is a well tested fix. All I can say is that it worked for me on my iPad.
As for the root cause on causing this bug, it seems fishy that I've been playing this game since day 1 or 2, and it's worked fine, but right after I load the newest iOS patch, reboot the iPad, Fallout Shelter crashes. I'm a Windows IT guy, not an Apple IT guy, so I really don't know the nuts and bolts that make up these iOS patches.
Hopefully this trick works for at least one other person out there.
Thanks,
Neal