Originally Posted by Ehhh
I downloaded a new version 5.1.0 , and i tried to update from version 5.0.4. During second part (2/2) of updating KT gives error 0.0.6 and returns to 5.0.4 version.
As you've already been told, it depends on some installed hack: suspects are the GUI launcher and the screen rotation hack.
I had the same problem and uninstalling everything eventually worked. Others had to re-flash v5.0.0, jailbreak and upgrade.