Unlock iPhone 4 Baseband 02.10.04 using Gevey SIM
This video showcasing the unlock process for iPhone 4 baseband 02.10.04 & iPhone 4 baseband 03.10.01 using Gevey SIM. This method becoming trend for unlocking iPhone 4 all baseband (*up to 04.10.01 baseband).
This method is not recommended since ‘dialing 112 and hang-up‘ is illegal thing in the U.S. and could be illegal in other countries as well and you may get banned from carrier by doing such thing.