Locked iphone but want iOS 7?

I bought my iPhone 4S in America, but I don't live there. Now I've gone to a phone house and they told me that my iphone is still locked! I got used to it ( I can't have Internet of my phone? Only off the Wi-Fi. It just says: can't activate cellular data… Does anyone know how to fix that too?) but now I really want iOS 7 but I don't know if I can? Will it be possible or will I just F up everything?
Please help, I really want to get it as soon as possible!

Why can't I receive the update for iOS7?

So I wanted to update my software to the iOS 7. I've been using iPhones for years since the iPhone 3gs. I now have the iPhone 5.So I know they work. But when I go into my Settings and then go into Software Update, it just shows "Checking for Update." The update never comes up. I've read some things about this simliar problem and people were saying its because everyone and their momma is trying to download it too causing Apple's server to slow down. But my wife was able to download and she was right next to me! I've even erased a few apps, deleted pictures, message threads, call history, restarted my phone like 5 times by holding down on the lock and home button at the sametime and powered it down normally and nothing works!

Confused about how to get wireless?

I use comcast internet. I have a black box that says ARRIS on it and there's a cord that connects my laptop to that box. I sorta sick of it because the cord is wearing off and I have to adjust it. & I can only use my laptop in a certain area. Also I don't like using the internet on my iphone because I always go over my monthly allowance.

Is there a way I can switch my wired internet to wfif myself or will I need to contact comcast?

How to fix dimmed Wi-Fi on iphone 4s?

I have an iPhone 4s, which is up to date at IOS 7, and is restored. But my Wi-Fi still seems to be dimmed. I restored the network settings, and i let it die. And nothing happened. I was wondering if there was any possible way then having to pay to get it fixed at apple. I would really appreciate it.

Help ios7 deleted all my stuff

So like you all know, ios7 is out now and I updated my iphone 4s yesterday but I did something wrong and my iphone had to restart like deleting all contacts and pics and apps, I updated my iphone from my laptop by connecting with the USB to iTunes but I kinda did something wrong like I didn't back up my phone and now everything is gone, Is there any chance to get at least my pictures back? Cause i had like 3000 pics and memories, events that will never happen again!