Follow-up post for iphone jailbroken? ikee is never going to give you up..
In order to fix it please follow the steps as mentioned below:
Logon as Root and remove the following files:
For those who use mobileterminal to delete files and not familiar with linux command, the command for deleting files is “rm”.
Example, rm /var/mobile/Library/LockBackground.jpg (linux path is case-sensitive)