The Samsung Galaxy A90 is said to be the company's first phone with a pop-up camera and new renders show what it might look like. There's a version with the camera off to the to the side and another with the camera in the center. Given that both show a triple camera aligned vertically along the center line, we think it's more likely that the selfie camera will be to the side. The motor takes up some room and so does the triple camera. With no selfie camera to get in the way, the display is free to expand to almost the entire front - the phone reportedly has a 92% screen-to-body ratio....
Source: https://www.gsmarena.com/renders_show_what_the_galaxy_a90_with_a_popup_selfie_camera_might_look_like-news-35387.php