We’ve been working on our game for weeks and it’s been going just fine.
Now suddenly the game crashes immediately after the initial Unity load screen. (You see the Unity load screen for a while, then crash)
Oddly, when it crashes, Xcode just says “Finished”, without any error reports. Everything runs fine in unity however, but suddenly won’t run on the iPhone (we didn’t make any huge changes recently or anything).
I’m on the latest Unity basic (3.5.3f3), and the latest Xcode (4.3.3). I can work my way around Unity pretty well, but have absolutely no idea what’s going on with xcode and iPhone.
Any help would be greatly appreciated, and I’ll supply any information needed. Thanks!
Edit: There was an Xcode update recently, which I have reason to believe is what broke the game, as it worked before then but not after. Though I course, I have no idea what can be done to fix it. 
It is known issue, which was fixed with Unity 3.5.6f4.
I know this is a silly reply, but did you verify that you are building to the latest SDK and target OS matches your tethered device ?
That can sometimes cause your game to hang at the loading / splash screen…
Thanks for the suggestions, I upgraded my Unity, everything is fully up to date, and the target OS does indeed match my device. Also no worries Tomo Games, silly reply or not, it’s always worth asking! 
Still doesn’t work.
I’ve noticed something though, I loaded up an old version of my Project and noticed that it all runs fine except for the Shop scene, which crashes the game on iPhone. This has always worked yet now suddenly the shop causes iphone to crash? (Works fine in unity).
I’ve tried removing objects from the shop screen and can get it to run with only very specific objects for some reason. (Note that this is an older version of my project that used to run flawlessly). So I’m thinking my Main scene in my current project has these same problems suddenly, which causes it to crash after the initial load.
Is there any way I can get the same bug reports that Unity gives, but while running it on the iPhone through Xcode?
Thanks again
Edit: I just made a few adjustments and tried running my current project from a different scene halfway into the game… It runs, but half the sprites and textures are completely black, there’s no sound, and none of hit detection works. Am I the only one, or is something seriously wrong with the updated Xcode compiler? (This all started when Xcode was updated)