It appears a Xiaomi Mi 11T smartphone could be in the works as a mysterious device from the Chinese OEM has been spotted in FCC listings. If Xiaomi is planning on releasing a Mi 11T, which could sport an under-display camera and SD 888 processor, then it's likely there will be a Mi 11T Pro and Mi 11T Lite released at some point too.
https://www.notebookcheck.net/Xiaomi-Mi-11T-with-under-display-camera-and-Snapdragon-888-could-soon-join-the-Mi-11-range-s-ranks.552077.0.html