With the next Redsn0w 0.9.7 update (possibly for both Windows and Mac), you will now be able to untether your iOS 4.2.1 jailbreak using iOS 4.1 IPSW files.





Next step is to port it forward for iOS 4.3 Betas, tweets MuscleNerd:


Turns out the 4.1-blob version of Monte wasn’t so hard Twitpic - Share photos on Twitter … Next step: porting it forward to 4.3beta!