The Mi Mix 3 is rumored to get a major display upgrade with Samsung's OLED screens instead of the usual IPS LCDs. The thin bezels suggest the existence of a pop-up selfie cam, while the rear would be getting an impressive tri-camera setup. The phone will also be among the first to integrate wireless quick charging and it will cost ~US$569.
https://www.notebookcheck.net/Xiaomi-s-Mi-Mix-3-will-integrate-Samsung-s-OLED-displays-and-Qi-wireless-charging.321026.0.html