iPhone Dec tean has released Redsn0w 0.9.10b5 to fix iBooks DRM issues On iOS 5.0.1 firmware. Beside this Corona 5.0.1 Untether v1.0-7 was also released to fix installation & iBooks DRM errors. The updated version of Redsn0w 0.9.10b5 brings fix for iBooks DRM bug and integrates a utility called “crazeles” that overcomes Jailbreak detection by iBooks that would show to images correctly.
Redsn0w version b5 incorporates yet another fix for iBooks, this time involving DRM. @planetbeing wrote a utility called “crazeles” that overcomes jailbreak detection by iBooks that would cause about 10% of images to show incorrectly. This fix is similar to the “hunnypot” fix that @comex wrote for the 4.x jailbreak. As usual, you can choose to install the fix either by re-running redsn0w over your existing jailbreak (de-select Cydia if you do that), or by installing the corona package from Cydia (it’s the same set of files no matter which way you choose).
Users can download Redsn0w 0.9.10b5 from the below posted links. To install Redsn0w 0.9.10b5 on Windows users must be logged on in administrative mode.