EDIT: Although I’m sure this would still work remember it is a few months old. You should be able to get the real 3.0 firmware from a google search and not have to download the gold master version. Same goes for the ATT carrier file, google it. The rest of the instructions should still work fine. Let me start by saying this is on a macbook pro 3,1 but will work for anything else. You will need iT
