Greenpois0n RC6.1 Released with iBooks Fix

How to know that you have been infected? If you saw this message “There is a problem with the configuration of your iOS Device. Please restore with iTunes and reinstall iBooks“ so your iOS device has been infected.
How to solve? You have to restore your iOS device and re-run Greenpois0n RC6.1 jailbreak again, you can follow our step by step guide posted here.
Download Greenpois0n RC6.1 Windows
Download Greenpois0n RC6.1 Mac
Download iOS 4.2.1 for iPhone, iPod touch and iPad