My iPhone 4's camera just won't work! (Both front and back cam)?

I have an iPhone 4 that was given to me by my brother, but he has barely used it. I've tried everything! I've resetted the settings, restted the whole phone, force closed the camera app, restarted the phone - E V E R Y T H I N G! It really won't work and I need to have it fixed soon!

You will get better help in the 'Cellphones' category than here

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Your uglyness broke it