When it comes to your Samsung Galaxy S3, several things can go wrong with regard to mishandling the Samsung Galaxy S3 itself, including a cracked screen.  The first reaction you might have to this is to go out and buy a new phone no matter how new your Samsung Galaxy S3 was, but you should instead consider

I woke up this morning and my Verizon Wireless iPhone was off, I thought, Hum, did I forget to charge it? No , I remember it was at 85% full charge. Well that’s strange , Why is my iPhone not turning on. No matter what I do, It just wont come on, Ok I am getting worried