3 things by the screen.

[Kevin OQuinn]

I know two of the little things above the screen are the ambient light sensor and prox sensor, but what is the other one? Looks like a camera lens, but I know it doesn't have two cameras.

 

[stephenandrew]

yes, motorola backflip has only one 5 megapixel camera, what you want to know it may be compass or proximity