According to multiple reports, Xiaomi's first foldable smartphone may be making a guest appearance at its March 29 hardware launch event. The device has been certified at the MIIT in China with up to 16 GB of RAM and 512 GB of storage, too.
https://www.notebookcheck.net/Xiaomi-s-first-foldable-smartphone-may-make-an-appearance-at-its-March-29-hardware-launch-event.529190.0.html