Chronic Dev team’s Corona 1.0.6 update is on its way which includes fixes related to iBooks issues observed with the last version of Corona untethered jailbreak tool for A4 iDevice on iOS 5.0.1.
See also:
How to Do Untethered Jailbreak of iOS 5.0.1 with Corona
How to Jailbreak iOS 5.0.1 with RedSn0w
How to Do Untethered Jailbreak of iOS 5.0.1 with PwnageTool 5.0.1
How to Jailbreak iOS 5.0.1 with Ac1dSn0w
According to @Pod2g tweet:
“Hi, I heard some great news from IRC. @planetbeing has fixed Corona issues with iBooks DRMd books. Corona 1.0.6 to be released soon.”
Note: At the moment Corona 1.0.6 update is not live at Cydia but the users who have jailbroken their A4 iDevices on iOS 5.0.1 with RedSn0w can re-jailbreak through latest Redsn0w update to fix DRM issues of iBooks.
Download Redsn0w 0.9.10b5 for Windows & Mac