A foldable Mi Mix smartphone remains a hot topic, not least because photos of an alleged prototype have appeared online. Specifications for a Xiaomi ODIN have been published too, apparently having been see in MIUI code. Some of its specifications include a 120 Hz AMOLED display, a Snapdragon 888 SoC and what may be an in-display fingerprint scanner.
https://www.notebookcheck.net/Suspected-Xiaomi-Mi-Mix-foldable-prototype-images-leak-as-possible-Mi-Mix-4-specifications-emerge.528002.0.html