IPhone 4 Screen is Blank
 
                                                
                                                
                                                
                                                
                                            
                                                                                I dropped my iPhone 4 when I was running late to school. When I checked it, it turned off itself.
When I opened it, the screen is all blank. But the backlight is okay so I think it was on.
I restart it and it was working fine then. But up to date, I'm still having moments of blank screens whenever I turn it on.
Aside from that, I did not noticed any other problems.
What can I do to fix this?
 
                                            
                                            
                                            
                                         
		 
 
                                         
                                                         
                                                            







