Redsn0w 0.9.6 b4 for Windows and Mac OSX to jailbreak iOS 4.2.1

[josher]

Redsn0w 0.9.6 b4 for Windows and Mac OSX to jailbreak iOS 4.2.1

iPhone Dev Team has released the redsn0w 0.9.6 b4 / beta 4 for Windows and Mac OS X
to jailbreak iOS 4.2.1 on all the devices. But for some devices ( mentioned below ), the redsn0w 0.9.6 b4 / beta 4 supports only tethered jailbreak. You could get redsn0w 0.9.6 b4 for iOS 4.2.1 jailbreak from the below links.

In the following devices, redsn0w 0.9.6 b4 supports tethered jailbreak :

•iPhone 3GS New Bootrom
•iPhone 4
•iPod Touch 2G (MC Model)
•iPod Touch 3G
•iPod Touch 4G
•iPad

For the following devices, redsn0w 0.9.6 beta 4 support untethered jailbreak :

•iPhone 3G
•iPhone 3GS (Old Bootrom)
•iPod Touch 2G (Non MC Model)

Download Redsn0w 0.9.6 b4 for Windows from here

Download Redsn0w 0.9.6 b4 for Mac OS X from here​