Hey Guys, here is pH. During this days, me (pH), EvilPenguin and BigBoss created a tool called 3G Baseband Downgrade. This tool will help you to downgrade your iPhone 3G Baseband, from 02.30.03 to 02.28.00 (then, the Yellowsn0w is suported). The 3G Baseband Downgrade is so simple to be used because there’s a GUI! BigBoss [...]