The Galaxy A51 will probably be one of Samsung's new phones for 2020. It has attracted its first 360-degree set of renders (from OnLeaks), which incorporate rumors and theories about the phone such as that it will have quad rear cameras. The phone is also now depicted as having a punch-hole camera in its display.
https://www.notebookcheck.net/New-Samsung-Galaxy-A51-renders-hint-at-a-punch-hole-quad-cameras-and-a-3-5mm-jack.442690.0.html