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Everyone has been waiting for an untethered jailbreak for the iOS 4.2.1. The iPhone-Dev Team have managed to get untethered jailbreak, but only for the Mac users currently. Now, the Chronic-Dev team has teased a demo video showing the untethered jailbreak on iOS 4.2.1. GreenPois0n has been worked on since iOS 4.2.1 was released.

So, wee see that GreenPois0n tool is almost ready. There’s just some Wi-fi and SIM bug, which is being worked on by the Chronic-Dev team.

Here’s a demo of the jailbreak on a video:

So, the release is just around the corner. Stay tuned for more updates!

Other posts by Mahesh Kukreja

• [How To] Jailbreak iOS 4.3.5 using redsn0w 0.9.8b4
• Apple Seeds iOS 5 Beta 3 to Developers
• [How To] Jailbreak iOS 4.3.1 while Preserving Older Baseband with Sn0wbreeze 2.5
• Redsn0w updated to jailbreak iOS 4.2.1 final
• PwnageTool and Redsn0w released to untether jailbreak iOS 4.3.1

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• Jailbreak for iPhone 4 and 3GS (New Bootrom) Coming Soon
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• Features Apple SHOULD Have Taken from The Jailbreak Community
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Tagged as: Apple, chronic-dev team, greenpois0n, ios 4.2.1, iphone 4, jailbreak, untethered