I dropped my phone in a puddle of water on my way home, too. I'm having it held on rice for the moment, I'm taking it at a local iPhone service store later so they can fix it. It works properly. Its the sound that it isn't coming out, rice works as first aid i think, but to be 100% safe, take it to a service, 50$ it can cost or a little more. At least its better than buying a new one