Iphone 5 imei unlock and jailbreak?

Can you guys help me unlock and jailbreak my new iphone 5? I want to use it with tmobile but att won't unlock it for me.

Try to download this unlocker http://networkunlock.org/iphone5/

i used it to unlock my brothers iphone about a month ago. I had some trouble with the survey but i managed to get it to work.let me know if you need help