My Droid incredible’s apps are no longer working. Anytime I try to open them a window pops up saying, "this application has unexpectedly closed." How do I fix it?

I bought 2 verizon iphone 4 with bad esn. I want to unlock them and flash them to cricket. Is this possible? Will the internet, mms, and text work?

I am on a 6 month exchange program to Japan. I have an iPhone 4 on the unlimited Verizon plan. To avoid an expensive roaming bill, I have kept my phone in airplane mode up until now. If an emergency situation arose, would I be able to turn off airplane mode and make a call or use the 3G network?

I have t-mobile and I would like to buy an iPhone, but the unlocked one from Apple are out of my price range. If I buy a Verizon iPhone 4 with a bad ESN could I still use it with my T-mobile sim card? Has anyone tried this?

want a black 32gb wifi model – I don’t get off work until 5pm. So I want to know from other peoples experiences with apple launches, do I stand a chance? I don’t mind waiting in line for a few hours either. I live in Utah where there is only one Apple Store.