https://www.youtube.com/watch?v=KCtrTRP4XZk
http://galaxys4root.com/galaxy-s4-tutorials/how-to-install-custom-rom-on-galaxy-s4/
http://forum.xda-developers.com/galaxy-s4/general/guide-how-to-install-custom-roms-t2852310
https://www.youtube.com/watch?v=hHflrfVdAmc
http://rootear.com/android/rootear-samsung-galaxy-s4