Chronic Dev team has finally proved that they are not just any other online scam. GreenPois0n RC5 is now available for iOS 4.2.1 untethered jailbreak!
GreenPois0n RC5 supports iPod Touch 2G, iPod Touch 3G, iPod Touch 4G, iPhone 3GS, iPhone 4, iPad and Apple TV. The Chronic Dev team members have released the Mac version of GreenPois0n tool, so Windows and Linux users will have to wait for some more time.
Another important thing is that those who haven’t saved SHSH blobs can still use GreenPois0n to get untethered jailbreak on iOS 4.2.1 based iDevices. If you don’t know how to use GreenPois0n RC5, please wait for our complete detailed guide.
Download GreenPois0n RC5 for Mac
[We've removed the downloadable links from our site due to policy violation issues. Sorry for the inconvenience.]
Update: GreenPois0n RC5 Guide for iOS 4.2.1 Untethered Jailbreak
Update 2: Facing GreenPois0n Initialized error? Here’s the official fix – GreenPois0n RC5_2