Samsung has obtained Federal Communications Commission (FCC) approval for a device called the SM-A205M. This, according to several leaks, may be launched as the Galaxy A02 or possibly A02s. Its new registration shows that it is a 4G/LTE-only phone with a rectangular rear camera.
https://www.notebookcheck.net/The-FCC-certifies-what-may-be-2021-s-cheapest-Samsung-Galaxy-A-series-smartphone.500566.0.html