Download Greenpoison RC5 for Windows to Jailbreak iOS 4.2.1 Untethered

A good news for Windows Users! Chronic Dev Team has just released Greenpoison RC5 – b2 for Windows operating system.

This updated version of Greenpoison allows users to apply untethered iOS 4.2.1 jailbreak on all idevices i.e., iPhone 4, iPhone 3GS (all bootrom), iPhone 3G, iPod Touch (all models and all bootroms) and iPad.


The guide to get untethered jailbreak state on your device is same as we have mentioned in our previous post but a complete step by step guide for Windows users is coming soon. We have posted the complete guide here.


  • Download Greenpoison RC5 for Windows users [Mirror Direct Link, Official Webpage link]
  • Download Greenpois0n rc5 for Mac users.

All those users who rely on unlock will have to use custom iOS 4.2.1 cooked with PwnageTool while preserving the baseband. Read the details here.

Stay tuned to this site for more information about (Untethered) Jailbreak on iOS 4.2.1, iOS 4.3 and iOS 4.2.6.

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