Do I need the bill of my iPhone?

I've an iPhone 5. And its lock button is not working properly so I decided to replace it and I decided to send it to USA from where I bought it. So do I need my iPhone's bill?
I lost It that's why I'm asking.

Apple iMessages deleting messages?

The application on Apple that sends messages (iMessage image)
has a rather sad chat between me and a friend. If I delete my messages from the chat will it only delete them on my iPod or on her iPhone too?

Added (1). NOTE: the actual link is image to see the application I'm talking about. The link I gave above doesn't work.

How to copy iphone texts to your pc desktop?

So i've just bought a new phone. But i would really love to keep my text messages on my iPhone. Is there away to save all those messages onto my new phone or onto my desktop of my pc?

How to draw charts and dynamic chart?

I'm building a website, I want to compare websites have pages like http://cell-phones.toptenreviews.com/smartphones/
I want to ask:
- How to create and set up columns for each product?
- How to draw charts for items (use code)?
- How to create a dynamic chart as Screen Size, Rear Camera, Front Camera,… Categories?
http://cell-phones.toptenreviews.com/smartphones/apple/apple-iphone-review.html

My iphone4 won't ring when I get texts?

Question says it all, is it a software error or something? Do I need to restore it? What should I do, I've already called Verizon and they didn't help much. Pretty much the iPhone won't ring or flash when I get txt messages while its locked.

How to put music on my iPhone 4 using a different computer?

I have an iPhone 4 and i backed up my phone and added music on with my dads laptop but i recently got a desktop computer and i backed up my things there to but for some reason i can't seem to put music on it and i don't know why, like it doesn't give me the option to add music. If anyone can help me or tell me why its doing this it would be great. I have the new version of iTunes and still nothing. Please some one help & thank you in advance!