How to switch from AT&T to T-Mobile?

I'm with AT&T and I have 3 iPhones and I pay 216 a month. And I'm tierd of paying so much. Then I saw T-Mobile's 500MB plan and I saw that I can pay $90 a month for 3 phones. I just don't know how I can get out of all my contracts with AT&T and I really do my want to pay $200 for each phone just to cancel the contract.

How to update and jailbreak to IOS 5 from 4 on Iphone 4?

If I'm on 4.3 jailbreaked and unlocked with gevey on tmobile and, and I want to update to IOS 5. What are the steps? If I update to IOS 5, will I lose my unlock on tmobile? I don't mind if I can't update my jailbreak. As long as I can use my phone on tmobile, then it is ok.

Added (1). Because the apps now in the app store needs IOS 5. I can't get it.

I dropped my iPhone 4 in water on accident and the sound isn't working?

I dropped my iPhone 4 in water on accident tonight and it was on. I grabbed the phone instantly when it fell in the water because i saw it fall. It's still kind of damp. The phone is still on and seems pretty dried out for the most part, but the sound is no longer working on my phone. I need it for when i go to work tomorrow because I'm expecting an important call. I need to charge my phone for tomorrow too! What can I do to make the sound work again?

IPhone Photo Library to PC. HOW?

I have iPhone 4 (6.1.2) with almost 2000 photos in Photos Library (not in Camera Roll)

the photos were removed from my PC, but still there in the iPhone Photos Library

HOW can I transfer them all to my PC?

(my iPhone is Jailbroken! )

My iPhone 4 isn't turning on?

My iPhone 4 has been charging for over 10 minutes and it still has the Harry potter logo on it ( it looks like the scar on his head ) anyways does anyone know why?

I don't know if I have BBM or not?

My phone contract was originally an iphone contract but I switched from an iphone to a BlackBerry and the Orange shop put BlackBerry internet on my phone so I can surf the internet. Does this include bbm?

Any iPhone apps to listen to 94.3 kilo colorado?

Been trying to find a radio app I can listen to 94.3 kilo colorado and read my books in the background but no such luck. Also is thr any apps like pocket fiction or one were I can watch anime free or apps for a person who likes to read fanfiction and manga kinda things? Ty for replying xD

YouTube not working on iphone 5 anymore?

YouTube is not working for me anymore I tried turning off and on I've tried other videoplayers and they all work I even have a YouTube app I use for music and it works but the website isn't working just keeps loading it worked everyday until now what is wrong and how do I fix?