I NEED HELP WITH JAILBREAKING IPHONE PLEASE?

[BREANNA]

I HAVE AN IPHONE 3G AND I NEED TO KNOW HOW I CAN USE A DIFFERENT SIM CARD WITH IT. DO I JAILBREAK IT FIRST? IF SO HOW DO I DO IT? IM HAVING THE HARDEST TIME IVE TRIED A FEW DIFFERENT THINGS ANY SUGGESTIONS? OH AND THE PHONE HAS BEEN DISCONNECTED. THANKS!
I FORGOT TO MENTION, FOR FREE! LOL

 

[Muff'nlex]

CHANGE THE SIMCARD BEFORE JAILBREAKING!
YOU CAN JAILBREAK BY GOING TO
JAILBREAKME(Dot)com
OR USE GREENPOISON.
I RECOMMEND GREENPOISON.

 

[Hafeez]

Yes, you can, please read the article related to iPhone and Jailbrake with Gevey lock and unlock http://www.thoughtsfromgeeks.com/resources/2794-Will-Gevey-Ultra-SIM-work-iPhone-India.aspx