Some new leaks may be evidence that Nokia is preparing a smartphone called the 2.3 for release soon. It may have up to 3 variants, at least 1 of which could be single- and dual-SIM respectively. Not much else is known about this potential new device, besides its possible Bluetooth 5 status.
https://www.notebookcheck.net/A-new-leak-points-to-an-impending-successor-for-the-low-cost-Nokia-2-2.441120.0.html