Why is my iphone 4 screen not working?

I dropped it from 2 feet and it landed on the bottom where the Speakers are and i caught it not even a second before it hits the ground, when i tried to turn it on the video i was watching stopped and the screen went blank. I know it still works in general because when i turn it on and drag where the slide
is i hear a click, what happened and how can i fix it?

i need to fix it within the next hour.

Can i lock my iphone if it is lost?

I have sold an iphone amazon and the buyer opened a case claiming that he didn't receive the iphone. Unfourtuntly i didn't buy a tracking #, can i shut of the phone or find out any information in anyway. I have reset the phone before sending it out.

Added (1). Its an iphone 4

I accidentally liked my crushes photo?

On facebook I was snooping on my friends iPhone and I was on my crushes tags/photo. & like I liked it on accident. I unliked it will it show on his nofication? Like that I even liked it. Or will the nofidcation will disappear?

Can you play minecraft PE on a mac?

I'd just like to ask if I can install and play minecraft PE on my mac. I can relocate it from my iPhone, and I will, but will it work online too? And can I join it to a minecraft PE lite?

Accidentally backed up ipod touch to iphone? - 1

I just got an iphone and when i plugged it into itunes it asked me if i wanted to start as a new iphone or back it up from my ipod and i didn't know what to choose so i chose to back it up and it erased all my iphone stuff with everything from my ipod! I tried restoring it to default but it keeps closing out halfway through

How to access iCloud backup for iPhone?

Recently my 4-year-old daughter managed to change the passcode on my iPhone 4 and neither of us have any idea what it is. I don't want to restore it because that erases all of your information and I have all my work info on my phone. I didn't back it up to my computer but I did back it up to iCloud. How does that help me? If I restore it can I somehow access iCloud on my computer and download all the information on my phone back? I really need help I'm using my phone notes for a presentation tomorrow!

How to remove/unlock the passcode of iPhone w/o Restoring?

Recently I set my iPhone 4 to "no passcode" because I let my 4-year-old daughter play with it. Somehow or another she managed to set a passcode on it and neither I nor she have any idea what it is. I desperately don't want to restore it because I live off that phone and it has a ton of work information that I need to keep. How can I unlock it fully without knowing the passcode?
(I'm also backed up onto iCloud, but I have no idea how to access that information. I'm not backed up onto any computer. Whenever I bought apps I did them off the store on the iPhone.)

I can't decide which color iphone 4s to get?

Well yeah i don't really know whic one to get
i really am leaning towards the black one because i think it looks cool but honestly i know the white is better looking and compliments the cases and yet i don't know which one to get so please help me decide!

Why can't my iPhone 4S send pictures to noniphone users?

I can send pictures to people with iPhones, but I can't send pictures to people without iPhones, such as droids. This Is really frustrating and my mms, SMS, and cellular data are all turned on. I just can't figure it out.

How to make an iPhone from Verizon my phone though my carrier is T-Mobile?

I got an iPhone my cousin found and the carrier Verizon. IT ABSOLUTELY DOES NOT HAVE ANYWHERE TO PUT A SIM CARD.No, there's no dot to pick with a pin. It doesn't have a sim card to pull out. I already restored it with iTunes, but i don't know how to go about making it mine. Do I have to take it to T-Mobile to make it work? Or Verizon?