Sunday, February 6, 2011

iPhone 4 4.2.1 untethered Download GreenPois0n RC5

Apple released iOS 4.2.1 back in December 2010. Since then iPhone dev-team and various hackers started working on a jailbreak for iPhone, iPad and iPod Touch models. Now on today Chronic dev team released a simple iOS 4.2 jailbreak tool for all supported idevices. The advantage of GreenPois0n RC5 is that it’s an untethered jailbreak tool, and it supports multiple OS platforms. Mac OS version is currently available for download and soon Windows and Linux users would be able to download native versions of  GreenPois0n RC5 for their platforms.

GreenPois0n RC5

Right now we have tethered and untethered jailbreak tools available for iOS 4.2.1 supported devices. The tethered solution Redsn0w 0.9.6 b4 is pretty much easy to implement,  but you will need to connect your device to a Mac or PC to restart it into the jailbreak mode. The untethered jailbreak tools in Redsn0w 0.9.7 series are still under testing and for which you need your iOS 4. 2b3 Signature Hash files saved on Cydia server. GreenPois0n RC5 jailbreak doesn’t need iOS ipsw files or SHSH backup so it seems to be the most convenient method available at this point.

Download GreenPois0n RC5

Download GreenPois0n RC5 for Mac (here).
Download GreenPois0n RC5 Windows (here), Linux (here).

There is some issue with Windows and Linux download links. We will update the links, as soon as they are available. Here is our detailed step by step guide to jailbreak iOS 4.2.1 using GreenPois0n RC5.

Updated: New version of GreenPois0n, Greenpois0n RC5_2 is now available for download. A few bugs in the first version, especially the freezing problem after greenpois0n  initialization is now fixed.

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