Successors to the POCO X3 and POCO X3 NFC have surfaced online. The POCO X4 will be an Indian model again, like the POCO X3. Similarly, the POCO X4 NFC will serve as Xiaomi's global model.
https://www.notebookcheck.net/POCO-X4-and-POCO-X4-NFC-to-debut-soon-as-Indian-and-global-variants.581242.0.html