Just hours after Apple released the highly anticipated iPhone iOS 4 update, the folks from iPhone DevTeam has also released a new redsn0w beta "to hacktivate iOS 4.0 for iPhone 3G." According to the team:
Update #1: redsn0w beta has been updated to hacktivate iOS 4.0 for iPhone3G (in addition to jailbreaking the iPhone3G and iPod Touch 2G). The download links for redsn0w 0.9.5b5-3 are:
For now, the redsn0w beta release supports only the iPhone3G and iPod Touch 2G at today’s 4.0. It’s still a beta, so you’ll need to let Cydia reorganize, reload, and update after using redsn0w.