when i trying to take a pic ,the camera don't show anything just black screen but the front cam is work as well,i just switch it and there is still black on rear cam,i had read some article about restore , restart or rebooting is not working at all, and i'm trying to fix it by myself, i replace...

Hi folks, I'm new to the iPhone family. Just purchased a iPhone SE and have come realized the learning curve is going to be a long one. The problem that I am having is my camera is not working! I have taken a couple of photo's with it, but it seems the screen is lock up. It is not responding to...