Can I buy a cheap iphone 5 unlock?

I just resently bought an iphone 5 from my friend and its locked to sprint and I have AT&T so I was looking online and I found unlocks over $100.So I was wondering if you guys have any suggestions on any websites that would sell any unlocks.

Do i have to send my case back to otterbox? - 1

I bought a defender otterbox case for my iphone 5 but the screen protector had a few scratches so I contacted customer service and they sent me a new case for free and when it arrived it came with a bag and with postage on their with their address and also a card that said include with defected product. Its been 2 weeks and I haven't sent it back and they haven't said anything about it and they don't have my credit card info or anything and I don't really want to send it back I'm still using my old case since it works perfectly fine. Do I have to send it back?

Is the iPhone 4/4s still in style?

I've been thinking about getting an iPhone 4/4s but I'm worried that if I do, I'll be the only one with it while everybody else has the iPhone 5. I don't want the 5 b.c I personally think its ugly but if having an iPhone 4/4s makes my phone outdated, then I'll go w. The 5. I just wanna know if an iPhone 4/4s still in style.

What does it mean when I have a glare in my eye?

I have a glare in my eye as if I stared at the sun even though I didn't I only look at my tv and my iPhone and its on auto brightness so I could say how bright it usually is but this only recently happened and I have ha this phone over a year and a half. I previously had the same problem yesterday after getting te glare I got a very bad headache in my right temple and I also tried to fall asleep after having to deal with it and finally falling asleep I woke up at 3am and couldn't sleep and it was still throbbing even making my eyes hurt from how bad it hurt. And then it went away around 6 pm and I just had the glare again about an hour ago and I just now am getting a headache all over again. Any advice?

IPhone 4s won't let me delete photos?

I'm trying to delete a bunch of seleted photos from my camera roll, it'll let me select the ones I want to delete, but then when I press "deleted selected photos" my camera roll closes, and they didn't delete. I really need to make more space on my phone. What do I do? I don't want to delete everything.

Why won't my iphone work on my home Wi-Fi?

It works at my schools Wi-Fi, friends Wi-Fi but not at home? My phone connects to the Wi-Fi it just won't work at all on the safari or any apps that need internet
is it because there are to many items on my home Wi-Fi?
my 3 siblings have ipod touches, a game boy ds, a Wii and my mom has an iPhone and apple tv, a HP tablet, her boyfriends iphone on our Wi-Fi too and an Xbox 360.