How to get into a locked iphone 4?

I have at&t, i searched everything but in the comments they all said that it doesn't work, and i don't want to reboot it but i will if its the only choice i have. And btw i forgot my password incase you guys think i stole it or found it

Added (1). And i have the latest update

Can i unlock my iphone 5 under contract?

My service provider tricked me into getting home phone along with cell phone service claiming i would pay the same monthly bill whether i chose to get home phone or not. I figured to save a little cash i would just cancel my cox home phone. Turns out they lied to me and are actually charging me $25 extra for home phone service which i did not need but only got since i was told it wouldn't make a difference in the bill. I'm still under contract but i was wondering if i could avoid paying them and just unlock my iphone 5 version 6.1.3 to another carrier, is this possible under contract? I don't plan on paying them until they send me to collections for cheating me.

Added (1). I have sprint

My iPhone 4 is having problems?

Well, today i dropped my iphone and when it dropped it turned off and wouldnt turn back on. I plugged it into a charger and it turned on and it reseted somehow and it said, plug into itunes to configure. So i did and when i plug it into my computer it goes to that little apple logo and turns off and just keeps doing that over and over, so it basically won't go past the apple logo.anyone have any idea what's wrong and what I should do?

Should I buy all the episodes of the walking dead on IOS?

It cost 15 dollars for all episodes. And I wanna know if its worth it. So should I get all the episodes for 15 bucks on my iPhone. I've played the first episode on the iPhone and it was amazing. I just don't wanna regret buying the episodes and wasting 15 dollars.

Dad won't let me get ringtone for iPhone?

My dad is such a pervert I want this ringtone for my phone. The cups song from pitch perfect and he wouldn't let me get it! I want it so bad but he said no why wouldn't he?
specific answers

Best anatomy/ human body app?

I have an iphone 3gs and i want to learn anatomy and study the human body because i want to be a doctor. I know barley the basics so i would like it to have a lot of pictures that are very visual (drawn art not preferred) a male and female body, and have a lot of descriptions. I don't care how much it costs.

How Breakable is the iPhone 4s vs iPhone 5?

After a long run with my Android, I'm going to be upgrading to an iPhone - and am currently debating between the 4s and 5 on the sole factor of which one is more durable. You see, I throw my phones around a LOT. Toss it over there when I don't want it in my hands anymore, drop it at least 6 times, knock it off tables… My phones take a beating. So far, all of them have survived but I know people are who practically walking on glass with the amount of caution they use, claiming that iPhones are very fragile and shatter easily, which is a big fear of mine.
So basically, if anyone could compare which of the two they think could take more of a beating, that'd be great. Of course I'll try to be careful but I'm unbelievably clumsy, and if I'm being completely honest… It's going to dropped. No way around it.