I had the same problem with s4 9505 and i solved my problem by downloading the firmware from sammobile and Pit File, i dont know if it is the same with exynos, maybe searching for pit file will put you in something. Hope it help
In this episode, XDA Developer TV Producer RootJunky Tom shows you how to root and unlock … more
31 Aug 2014
By Jimmy McGee
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?