Android won't start. It keeps showing Samsung Galaxy logo It keeps showing the logo and doesn't get into Android. What do you recommend me to do? 

I've tried hard reset, it didn't work.


(click image to enlarge)
I've installed 4.1.2 Jelly Bean XXEMD2 Firmware from the scratch. It's working now
Instructions: http://port135.com/2013/06/30/708/