A new leak hints at the existence of a Galaxy A12 smartphone to be launched in early 2020 or 2021. It suggests this device will have the same new square rear camera module as the higher-end A42 5G. However, should it prove accurate, its display may be a downgrade on its budget predecessor.
https://www.notebookcheck.net/The-Samsung-Galaxy-A12-shows-up-in-renders-looking-like-the-Galaxy-A42.505402.0.html