Greenpoison RC6.1 Jailbreak Brings iBook Error Fix to 4.2.1
Now, Chronic Dev updated their Greenpoison to version RC6.1, and included the fix too.
Apple created a security measure, probably meant to be anti piracy for eBooks, which basically returns an error if you want to open an eBook on a jailbroken iPhone.
Well, Comex figured it out. The system checks if the OS allows execution of unsigned binary, and if it does, the books won’t open.
If you were using Redsnow for 4.2.1 or Greenpoison RC5 all you have to do is run Greenpoison RC6.1 over your existing jailbreak. No need for restore or any other extra measure.
If you are confused, you can use our Greenpoison RC5 tutorial and adapt it for Greenpoison RC6.1
Download Greenpoison RC6.1 for Windows here
Download Greenpoison RC6.1 for Mac here
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about the author
Cosmin is a smartphone enthusiast that writes articles for our iPhone and Windows Phone 7 departments and he provides the latest jailbreaks and unlocks releases as well as hot news about Apple or Microsoft. His best friend is his iPhone 4 and he is always comparing smartphones with Adu.
