Redsn0w 0.9.6b4 Update Jailbreaks iOS 4.2.1 Devices

Illustration for article titled Redsn0w 0.9.6b4 Update Jailbreaks iOS 4.2.1 Devices

Compatible with iOS devices running Cydia, Redsn0w 0.9.6b4 has been released by the iPhone Dev Team, following their 0.9.6b3 release over the weekend. Devices must be tethered to a Mac or PC for the process to work. [iPhoneDevTeam via RedmondPie]



Goger Roodell

I have a question and could use some help. I jail broke my iPhone 4 for the first time about a month ago and am currently running 4.1. I am very unfamiliar with this process and if someone could explain what I need to do to upgrade then that would be awesome. I used Greenposi0n when I did the jailbreak. I have heard something about it being teathered when you upgrade and that everytime your phone gets turned off you have to hook it up to the PC. If thats the case then I will just leave it as is but I saw someone in the comments say it was untethered. Either way I am absolutely clueless and could use some advice. Thank you!