I am a little confuse and I want to jailbreak my iphone following this instruction http://www.modmyi.com/forums/showthread.php?t=15669. My phone when I bought it it was on fw 1.1.1 then I upgraded from itunes to 1.1.2. Have not done any modification except on a few ringtone. I am confused as to whether I follow step 2 or step 4 on this instructions. help would be very much appreciated.