Best Fish Eye lens (iphone 5) store in Houston?

I was going to buy a fish eye lens online but many sites have ripped me off in the past. So i would like to know what stores in Houston have good quality fish eye lens for the iPhone 5?

I got upgraded to iPhone 5 with a new sim but the number is not the same?

They said to me that I would be using the same number but when it came today there's a different number. I don't get it because I'm on a contract and my old sim is still working fine and I have this yet I only want one number and one contract. Is it a mistake or can they T-Mobile help me?

How to update iphone correctly?

Correctly as in a way that I don't lose my apps, pictures, contacts, and music.

My iphone is jailbroken by the way. Will this affect anything? I don't care if I lose cydia when I update.

How to unjailbreak an iPhone? - 1

How do I unjailbreak my iPhone 3GS with iOS 4.3.3? I want to do it because I can't update my iOS at home while it's jailbroken. Please explain more because it's my first iPhone and it was jailbroken the local service. (which is not approved by Apple Co)

My orange dolphin pack isn't working?

Recently I bought a second hand iPhone and I cut my old SIM card to fit in the iPhone.
I recently topped up £10 and I got a message from orange which said I have free Internet and 300 texts. I went on the Internet without knowing that money was being taken away. So now I have £0.00 please help

IPhone battery life shorter.dying early?

I currently have the IPhone 5 and for some reason it keeps dying at 7-20 percent. Sometimes I'm in the middle of a call and it just dies when its at 20%. I have IOS 7 currently and I make sure I close all my apps when I'm done with them. Does this happen to anybody else? How can I avoid this problem? Please help out.

Thank you.

Added (1). It is also not jailbroken