Recently received a Samsung Galaxy S4 from my boyfriend. He didn't like it so we traded phones. Lord behold some jerk at a bar was drunk and bumped into me making me drop my phone straight on its front. Still vibrates and lights up at the top but the screen stays black. It really doesn't look too bad but I would like to get replacement parts to fix it. Is it as simple as replacing the glass? Or will i need the digitizer? Anyone? Thanks!