There is now evidence that Samsung is readying multiple new Galaxy A-series smartphones for launch at this point. The latest of these is the A31, or SM-A315F/DS. This device has been approved by the Bluetooth Special Interest Group (Bluetooth SIG) to use this technology.
https://www.notebookcheck.net/The-Samsung-Galaxy-A31-is-now-officially-a-Bluetooth-device.456044.0.html
They're doing 6 monthly refreshes: A30, A30s, A31