The FCC has approved a product with a model number that marks it out as a probable Galaxy Note 10+ successor. Interestingly, it is a 4G/LTE-only mobile device. Its connectivity, while not very cutting-edge, may be a source of some relief for some Samsung fans' wallets.
https://www.notebookcheck.net/Samsung-Galaxy-Note-20-Ultra-FCC-confirms-there-will-be-a-non-5G-version-of-this-device.481480.0.html
Wow, they could definitely fit a jack in there with the reduced numbers of antennas and supporting hardware, but I don't expect them to be decent enough to do so.