Can you unlock an iPhone 5 which is locked?

We don't live in the US. But our friends who are form the US bought us iphone 5's and they were locked because we can't afford unlocked iphones.So, I was wondering if it was possible to unlock your iphone without going to At&t. And I was also wondering if I would be able to use all the full iphone features after unlocking the iphone.

My iphone won't turn on: BLUE SCREEN?

I've DROPED MY IPHONE4S So MANY TIMES IT HAS So MANY CRACKS IN THE BACK BUT IT WORKED FINE TILL ONE DAY I DROPED IT AND THE SCREEN CRACKED AND IT NO LONGER LET ME USE IT. IT GOES BLUE CAN't DO ANYTHING I KNOW IT STILL WORKS CAUSE OBVIOUSLY IT STILL TURNS ON BUT BLUE SCREEN?

CAN ANYBODY TELL ME WHAT's WRONG WITH IT THEY TOLD ME ILL HAVE TO REPLACE THE WHOLE FRONT PART ANYONE KNOW HOW MUCH ITLL COST ME?!

How to take a picture like tumblr girls?

I don't have a camera only my iPhone but what would be a a good pose to make for a tumblr picture and some editing apps for a nice picture or blury background?!
-Thanks

Best music player for the blind?

My older sister is completely blind and has been since birth. That being said she loves music but is very hard on technology. She is 29 but has the mental capacity of about a 8-10 year old (up to about a teenager on good days) We're an Apple family and have tried several different ipods including an ipod classic (too many steps to get from one menu to another so there were too many clicks for her to count), an ipod nano (using the earbud remote this is what she currently uses but we always have to switch out music for her because if there's too much on there she gets confused and ends up just putting the ipod on shuffle and scanning through every song until she finds the one she wants which ends up being extremely frustrating for her and she will break the earbud remote), and finally we got her an iphone with voice recognition, (she does use this but gets frustrated if it "hears" her wrong and plays the wrong song, or calls the wrong person and she ends up not using it).So my question is, is there an alternative out there possibly (whispers so Steve Jobs won't hear) a non-Apple product, that has buttons that are easier to manipulate, or more accurate voice recognition?

How does pinger text free work with the voice min?

I just downloaded pingers text free app for my iPhone because my phone was shut off and I still needed to be able to text and receive calls. We'll the texting I get and love that it works great and is completely free but I'm not sure what it means when I go to the dial pad and in the left bottom corner it says I have 11 more voice min? How do these work? Is it so many min for so much talk time or what?

How to control Facebook chat settings on Facebook iPhone App? Go offline?

Hi so I know that you can go "offline" on facebook mobile chat. But even offline, any time you use the Facebook app on the iPhone it shows that you are "active" and will even say the last time I was logged on. Is there a way to go completely "invisible" or just put everything on the mobile app private?

How to change password/get my twitter account back?

My email account was hacked and the person that hacked it managed to change a lot of my passwords. I can't get into my twitter as a result of this, but I'm still logged on on my phone. Is there anyway that I can change my password or at least delete my account (not just from the app from the whole website) on the iPhone app?

My iPhone 4S battery drains too fast?

So I got an iPhone 4S as a Christmas gift and i love it but the battery drains real quick when used with internet/3G it goes down from 100% to 0 in 4 hours. Is this normal? And another thing is when i go to sleep and leave the phone at 80% battery when i wake up the battery is 25% although its supposed to be on stand by. Is this normal as well?

Added (1). I'm using iOS 6 don't know if that has anything to do with the battery

Added (2). Also is it normal that it takes so long to charge my last phone iPhone 3G could charge for like an hour now it takes like 3 h

Is there anyway to block a number on iPhone 5 (AT&T)?

She won't stop calling, she won't stop texting, its tearing me apart! Someone please help… Please sir/ma'am help me I'm begging you…

Is there anyway at all WITHOUT jail breaking it? I'm with AT&T if that matters