The World Intellectual Property Office has published a year-old patent submitted by Xiaomi. Seemingly, the design is of a flagship smartphone, with highly rounded corners, a curved display and large camera sensors. The Xiaomi 12 series is believed to be launching later this year.
https://www.notebookcheck.net/A-year-old-Xiaomi-smartphone-patent-may-shed-light-on-the-upcoming-Xiaomi-12-series.573585.0.html