Why won't my iPhone 4S play music, videos, etc?

I recently went camping and my phone was in my bag and my bag got wet and my phone was kind of wet. The lens fogged up but it cleared out. But now, my phone kept not playing the audio on videos and music, BUT it will play my ringtones. Like, if I try to listen to music, the volume bar will not show up. Occasionally, it worked when I do the hard reboot(sleep button + hold button) but not anymore. I also tried syncing it and that doesn't work either. It doesn't play through headphones as well.

How to jailbreak ios 6.1.3 on iphone 4s?

Like an idiot i updated my iphone 4S to 6.1.3, i want to figure out a way to JAILBREAK ios 6.1.3 on iphone 4S without downloading anything, and are not scams that actually worked

Can i fix my iphone on my own?

I have 4S and it has worked fine for over a year. Today the battery died and when I charged it it won't charge. This is the second iPhone that has done this. Any one know how to fix or why it does this?

Can't use Internet but I'm connected?

A few days ago I was on YouTube watching a video when all the sudden it stopped and wouldn't load. I reloaded it but after that it seemed that I had lost all Internet connection, however I still had full wireless bars. Now ever since then I haven't been able to get on the Internet anywhere, at school or at home. I'm the only one in my house with this picked and I my iPhone has no trouble connecting to the Wi-Fi. Please help by giving me simple directions, I'm not tech savy!

Added (1). This is not a problem with my iPhone. I said that I have no problems with my phone on the Internet. It is my laptop.

Upgrading from 3G to 4G iPhone?

Is there a significant diference between the two phones as far as the camera goes? Can't afford the new 5 iPhone but I'm looking for a better picture from the 4G as I take pics wherever I go with my smart phone!

Why can't i hear incoming call from skype on my iphone?

I use to be able to hear the normal skype ring but recently it is just on silent and says 'incoming call from… '
is this because my phone is on vibrate? But then i want it to at least vibrate when someone is calling me?