Greenpois0n RC5 For Windows: Untethered Jailbreak For iOS 4.2.1 Released [Updated]

Chronic Dev Team

Chronic Dev Team has released greenpois0n for Windows to jailbreak iOS 4.2.1 for iPhone 4iPhone 3GSiPhone 3GiPod Touch 4GiPod Touch 3G and iPad.

The jailbreak is untethered and doesn’t need iOS 4.2 beta 3 SHSH blobs to be saved like iPhone Dev Team’s Redsn0w 0.9.7, which is currently available for beta testing. Chronic Dev Team had released greenpois0n for Mac users yesterday.

pod2g of the Chronic Dev Team announced the release of greenpois0n for Windows on Twitter:

Windows version of greenpois0n is out !

greenpois0n needs iOS 4.2.1 installed on your iOS device for it to work, so if you need to software unlock your iPhone then you should not upgrade to iOS 4.2.1.

greenpois0n for Windows supports the following iOS iDevices:

  • iPhone 4, iPhone 3GS, iPhone 3G
  • iPod Touch 4G, iPod Touch 3G, iPod Touch 2G
  • iPad

Mac users can follow our step-by-step guide for iOS devices below:

greenpois0n does not support hactivation, so your iPhone needs to be hactivated via iTunes.

Please note that jailbreaking your iDevice may void its warranty so proceed with caution and at your own risk. Please don’t forget to backup your iPhone before you proceed. You can refer to this post for instructions on how to backup your iPhone.

You can download greenpois0n RC5 for Windows from this link.

Update 1:

If you have trouble accessing the above download link (greenpois0n site) then you can download greenpois0n RC5 for Windows from the following mirror site.

Update 2:

Windows users can follow our step-by-step guide for iOS devices below:

Updated 3:

Updated post to confirm that greenpois0n RC5 supports iPod Touch 2G as well. It does not support Apple TV 2G, support will be added in RC6.

As always, please let us know how it goes.

[via Twitter]