hi while i was swimming my sister played with my phone samsung s3 and she got irritated and she smacked my phone so hard on the tiles! My S3 got a bit cracked on the bottom part of the screen then i tried to turn it on but the screen was just black!!!! I tried to remove the battery then i tried to turn it on but it was still black!!! So i removed the battery, put it on again then i tried to charge my phone but it cant even show the battery logo charging!!!! Its just all black!!! Please help me!!!!