Redsn0w 0.9.7 beta 2 for Mac OS X is out shortly after the iPhone Dev Team released redsn0w 0.9.7b1 to untether iOS 4.2.1 jailbreak. Beta 2 fixes app crashing issues that many of redsn0w testers faced. You can now download redsn0w 0.9.7 B2 and can follow our 10 step guide to jailbreak iPhone 4 4.2.1, iPod Touch 4G 4.2.1 or to jailbreak iPad 4.2.1.

Download: redsn0w_mac_0.9.7b3.zip