Since it’s a real 3D object you’re able to rotate it 360 degrees in all directions, move it around in 3D space and make it interact with lights and camera to create shadows and achieve Depth Of Field (DOF) effect. We will also create separate placeholder comp for screen so you can easily replace it with your media and use the screen to display whatever you want – photos,videos,logo and so on.

Item:

http://marketplace.tutsplus.com/item/learn-to-build-3d-phone-model-from-scratch-in-ae/662342