Sony has announced that it will be holding a press conference on January 7. The CES even will feature top Sony executives from across the company with the Xperia XA3 and XA3 Ultra expected to be among the announcements.
https://www.notebookcheck.net/Sony-CES-event-official-for-January-7-XA3-and-XA3-Ultra-expected.390351.0.html