Samsung Galaxy S4 Hands-on HD

Samsung Galaxy S4 :first option 1.9 GHz quadcore cpu ,second option 1.6 GHz quadcore Cortex-A15 and 1.2 GHz quadcore Cortex-A7, 2 GB Ram, 13 mp back and 2 mp front camera, 2600 mAh, Corning Gorilla Glass 3, Android Jelly Bean ...