Originally Posted by paris013
PROXIMITY SENSOR: Well I didn't have this problem when I put the phone back together because I was aware of it when I started but I see how some people would have this issue. There is a little black rubber piece that fits around the sensor in the top right corner. This piece has a thicker side when you look at it. That thick side should be placed as the bottom piece of the proximity sensor cover. Otherwise, it will partially block it.
Any idea on what that little rubber part is called so that I can order it? Mine lost it when my digitizer shattered in that corner.