Samsung phone’s are known to be cheap plastic devices, may be to come out from that image Samsung lets us watch how they stress tests the Galaxy S4 smartphone. It’s a real stress test for Galaxy S4. You can see in the video below that in lab they are throwing it in water, heating up in woven, punching with hammer, dropping on hard floor. To our utter surprise Galaxy S4 passed in distinction. But is this enough? does your S4 with standing the drops on the floor with out any cracks?