My iPhone 5 lock button broke, will the apple store exchange it?

I got my iPhone 5 back in November, so I'm still under the 1 year warranty. If I went to the apple store to try to exchange it, would it be for free? Thank you very much! This is my first iPhone, so I'm not really sure how their warranty works haha.

Added (1). If you look at my phone, it has no damages (dents, bents, etc) and it has not been jail-broken!

Restore from backup iPhone 4s?

I backed up my iPhone n then done a factory reset at the store. Now when I restore from backup no contacts, photos messages being restored? Why?

Putting my SIM card in an old iphone?

My dad got a new iphone, so i currently use his old one (an iphone 3) as an ipod. However I was wondering if my SIM card worked in his, so I tried it out and it did (i got service right away). If I wanted to, could I use the iphone as a cellphone? Currently I do have a phone plan with AT&T, including unlimited data service for $8 a month (i got a cheap price because my current phone is not a smart phone). If I did use it, would AT&T charge me more money for using it? I just want to know what rate changes would apply.

Software to read business cards?

For my internship job, I need to find a software that can read business cards and pull them out into an Excel Spreadsheet (I don't have an iPhone/touch). I'm pretty new to this and I have no idea where to find a software like that.

Will my iphone screen turn back to normal?

I dropped it, not a hard fall. And now there are like blue and black vertical lines moving. I can still see alil bit of the screen. And it still works. I can listen to music, and i can still touch the screen, i jst gotta remember where the buttons are. And I can still answer when somebody calls.

Have you been to an Apple store?

I love fuji apples they taste great. LOL!

Seriously have you been to the Apple Store where they sell iphones, macs etc.
I know they don't have them in every city.

Affordable DIY iPhone 4s screen repair?

I fell victim to the cracked iPhone 4s screen epidemic. I've had many strangers in public tell me they've repaired their screens themselves with kits they bought online for about $10, but I can't seem to find a kit under $50. Anybody know of the least expensive/most legitimate way to go about fixing my screen?