The Poco X3 will be unveiled on September 7, but the device has already been leaked online courtesy of a hands-on video. A Poco X3 Premium Version also appears to be on the cards.
https://www.notebookcheck.net/Poco-X3-Premium-Version-listed-as-hands-on-images-of-the-first-real-Poco-since-the-Pocophone-F1-leak.491552.0.html