My volume on my iPhone won't work?

Ok so every time I go on YouTube or pandora to listen to music or something the volume goes on then it clicks off at first my network wasn't working but I reseted it and now it works but I don't know what to do about the volume it's really annoying.

How to change the name of my iPhone on iPhone 4?

So I was at school and my friend was logged onto the computer, so we opened up her iTunes because she was gonna put music on it for me and I didn't know since it was the first time my iPhone got connected to iTunes that it was gonna say her name. It's really bothering me so just wondering if its possible to change it to my name?

Can i use an unlocked or refurbished iphone with Virgin Mobile USA?

I bought my iphone 4s from Target (paid full price) about 6 months ago, and dropped it in water recently. I tried the bag of rice trick, and not much help. Phone was making noise but still had a black screen after a couple of days.
I'm not too big on getting a contract, so I chose virgin mobile (cheap)
MORAL of the story, does anyone have virgin Mobile USA and know if I can use an unlocked or refurbished iphone with the company? No I didn't have insurance.

How to change he icons on my iPhone?

Okay I saw that some of my friends can change icons like fore Facebook they can make it cheetah print or they can change their Instagram app into purple. How do you do that? Is there an app?

I think I'm being scammed on paypal?

Okay, I'm selling this on iphone to someone on craigslist and they said they would send me the money, so a couple minutes later I get a email from paypal saying they need a tracking number and that they're holding my money in a escrow account, I don't know it just sounds odd to me.

Transferring Music From iPhone To iTunes?

I have all my music for my iPhone stored on Dropbox because my old computer broke and I need to transfer all those songs to my new computer's iTunes library so I can sync my iPhone with the songs. Now I want to get some more new songs and sync them to my iTunes folder so I'm just wondering what the fastest way of getting the songs from my iPhone to my new computer's iTunes library?

10 points for best answer.