GreenPois0n Untethered Jailbreak for iOS 4.2.1 Download Available
The latest version of Greenpois0n has been released for download, it offers an untethered jailbreak for iOS 4.2.1. The Mac and Windows release come as GreenPois0n 1.0 RC5, with a Linux version due out soon.
Download GreenPois0n Untethered Jailbreak for iOS 4.2.1
If the initial download link does not work, be sure to try one of the mirrors.
- Download for Mac (Download from Mirror 2) (Mirror 3) (Mirror 4)
- Download Now for Linux (Coming Soon)
- Download Now for Windows (Mirror 2)
We will update download links when they become available for all platforms.
Follow our how to jailbreak iOS 4.2.1 untethered with GreenPois0n 1.0 RC5 guide if you need assistance.
As usual, backup your iPhone before proceeding. If you are currently using a tethered jailbreak like redsn0w, you should restore before jailbreaking again with GreenPois0n 1.0 RC5.
Update: For those encountering a problem where the app stalls on “initialized”, you can download GreenPois0n RC5 2 to resolve this.
Update 2: The Windows version of GreenPois0n Untethered will be released tomorrow or the next day, according to p0sixninja. We will update download links for all versions of GreenPois0n as they are available.
Update 3: GreenPois0n RC5 for Windows has been released. It supports the untethered jailbreak for iPhone, iPad, iPod touch, and Apple TV2, running iOS 4.2.1.