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! AND FOR FREE PLZ

 

[flacodf]

you don't need to jailbreak, you just need to unlock it, it is a GSM network so no need to jailbreak, although wouldn't be a bad idea at all...