Chronic Dev-Team Releases Untethered Jailbreak for iOS 4.2.1 [Update]

Chronic Dev-Team Releases Untethered Jailbreak for iOS 4.2.1 [Update]

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The Chronic Dev-Team has just released the latest version of Greenpois0n, which features an untethered jailbreak for iOS 4.2.1 without the need for SHSH blobs. The exploit they are using has already been patched in iOS 4.3.

Currently it is Mac only and is a beta release. A Windows version will be released "soon." You can download the jailbreak from here or here

You can find our tutorials on how to jailbreak with Greenpois0n here:
iPhone (Mac)

We have been unsuccessful in jailbreaking using Greenpois0n due to the following errors that present on the iPhone. We will let you know when we've been able to jailbreak successfully. Don't forget to check out the new iClarified app while you wait :)
Unable to find gBdevList
Unable to find fs_mount
Unable to find fs_unmount
Unable to find fs_load_file

Posixninja reports that these errors are normal. Presumably, the procedure shouldn't hang at this point.

Update 2:
Partial success... Make sure to do a clean restore and to keep holding the home button until Greenpois0n tells you it has completed. Unfortunately, now Cydia is not appearing in the Loader app. This may be because of server overload.

Update 3:
Success :) After numerous attempts at reloading Loader. Cydia has appeared. Servers are likely being slammed and download is taking forever.

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Chronic Dev-Team Releases Untethered Jailbreak for iOS 4.2.1 [Update]
capitanloria - February 6, 2011 at 5:45pm
The Camera icon went out after jailbreak and once the iphone was up and running... any ideas???
capitanloria - February 12, 2011 at 1:55pm
any ideas somebody???
anony - February 6, 2011 at 9:40am
Great work Chronic Dev-Team. :) Does anyone know how to Remove Animated Boot Logo From Greenpois0n? Thanks.
john b - February 6, 2011 at 7:21am
i just got the rick astley ikee wallpaper virus from years ago about a day after applying this jailbreak :(
john b - February 6, 2011 at 9:05am
i meant after a day i did the jailbreak (did this yesterday) i suddenly got the rick astley wallpaper virus this evening. so don\'t forget to change your root and mobile passwords. found some instructions on how to remove it with google\'s help.
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