So, i bought my iPhone 4... patiently waited a month or more for the jailbreak. Upgraded to 4.0.1 ... few weeks later... 1st Jailbreak was released by Comex (JailBreakMe.com) I successfully JB'd my iPhone 4 4.0.1 Backed up my SHSH Blobs. a few weeks after JBing i was having issues with Cydia. http://www.ifans.com/forums/showthread.php?t=306232 i tried to resolve that issue .. didn't end up working out. 4.0.2 was released by apple patching up exploit for JB.(but i DID NOT upgrade) I finally decided i was going to restore my phone... 've youtubed for tutorials and scanned everything on this site for help.. and got nothing. FOLLOWED ALL THE TUTORIALS downloaded 4.0.1 IPSW Used TinyUmbrella modified HOSTS file. and then kept on getting (Error 3002) http://www.ifans.com/forums/showthread.php?t=307795 soooo... i decided to do it another way. upgrade to 4.0.2 and then since i backed up my SHSH Blobs i would restore to 4.0.1 I downloaded 4.0.2 successfully through iTunes.. blah blah blah.. and when it attempted to install BOOOM!!!!!!!!!!!!!!!!!! ERROR CODE 3002!!! no one seems to be able to help!