How to fix iPhone 5 camera and flashlight?

I was out side in the rain and my phone fell out of my pocket. I got it and went inside and it seemed fine. The next day the back camera and the flashlight would not work. The flashlight icon was grayed out and I don't know what to do.

When this happens, put the camera/flashlight in dry rice for a couple of days, friend did this, it worked for him.

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