...it has our logo on it.
I can understand that it may be illegal to sell plans to hack the iPhone. But can you really sue a kid for figuring out how to unlock it?
It's his iPhone. He bought it (or rather, it was given to him). Regardless... He owns it. It's not illegal for him to drop the phone on the sidewalk. It's not illegal for him to receive an e-mail with a virus (though, it may be illegal to send that virus). Why is it illegal for him to crack the case? Why is it illegal for him to fiddle with the insides?