http://ping.fm/n7wK0
The latest Redsn0w 0.9.7 beta 5 for Mac OS has been released and by doing this iPhone Dev Team has taken a further step towards untethered iOS 4.2.1 jailbreak for iPhone 4, iPhone 3G, iPad, iPod touch. In the latest version of Redsn0w 0.9.7 b5 problems with Bluetooth has also been fixed, which was prevalent in the previous versions of Redsn0w.