might have better fit with the reply above mine, but the huh part i assert might be related to a move of where the wifi antenna went, from a plastic body to a metal body, because it's got to "see" out. maybe the wifi antenna in the first metal body hides behind the logo, but i'm not sure.
i tried looking at ifixit teardowns and couldn't tell.
i tried looking at ifixit teardowns and couldn't tell.