I dropped an iphone 4 into a lake this summer. After burying it in rice for a few hours, it's screen didn't respond to touch and the camera flash was always-on.

I dropped an iphone 4 into a lake this summer. After burying it in rice for a few hours, it's screen didn't respond to touch and the camera flash was always-on. Opening the back, and moving a household vacuum around the circuity for ~20 minutes fixed it perfectly.