A few links here for the stock kernel to revert back to non-rooted.
Stock Kernel PDA: http://forum.xda-developers.com/showpost.php?p=18535109&postcount=174
Odin3 One-Click: http://forum.xda-developers.com/showpost.php?p=18859438&postcount=199
Hardware
hi…i want to know that XXLSJ firmware will work in at&t gala s2 (I777)? please help me.
i am keen to know about it…..plzzzz