After the untethered jailbreak of iPhone 4/3GS iPod touch 4G/3G and iPad 1 on iOS 5.0.1 using Corona 5.0.1 many users faced installation & iBooks DRM errors.Many users reported that images and text have been not rendoring correctly when reading or viewing books which are protected by DRM. PlanetBeing, famous iOS hacker, worked on this issue and he come up with a solution and this bug has been fixed successfully. Now Corona 5.0.1 Untether Cydia package has been updated to fix iBooks DRM issue.
The member of Dream Team, Saurik also tweeted earlier today about the release of Corona 5.0.1 Untether v1.0-7 to
fix Installation & iBooks DRM errors.Users who have already jailbroken iDevice using Corona 5.0.1 Untether can update to Corona 5.0.1 Untether 1.0-7 by simply going to Cydia and downloading updated package.