The phrase "top bezel" refers to the area at the top of a device's screen where the camera, sensors, speakers, and other components are located. It is the uppermost part of the device's frame around the screen. Full definition
The slim top bezel of the smartphone houses a 13 - megapixel camera mounted behind an f / 2.0 lens. (androidheadlines.com)
The front camera found on the slim top bezel of the handset is a 13 - megapixel affair with an f / 2.0 lens. (androidheadlines.com)
The image also reveals the presence of another thin top bezel where you'll find a selfie shooter, proximity sensors as well as an iris scanner. (nashvillechatterclass.com)