Samsung is now projected to launch a successor to the Galaxy M21, thanks to a recent slew of leaks associated with a new model number suggesting this is indeed the case. It looks like the "M22" will turn out looking and performing much like a pre-existing 2021 smartphone; then again, this makes for potentially bargain pricing in the rumored device.
https://www.notebookcheck.net/The-Samsung-Galaxy-M22-leaks-via-the-FCC-Geekbench-and-its-OEM-s-own-website.558342.0.html