sup all... this is probably asked a million times here and is probably answered but the ones i've seem to have found is from like a few months old.. and alot prob would of changed..so i've decided to make a thread straight up. ...is iphone 3gs 3.1.3 (jailbroken with spirit) jailbreakable if i updated to 4.0? ..i have model MC131X ..modem firmware 05.12.01 unlock doesn't matter for me. if it's available... can someone link me up. thanks in advance.