Recent reports seem to indicate that Xiaomi will equip its upcoming top-of-the-line flagship phone, the Xiaomi 12 Ultra, with an all-new 200 MP camera. That looks to be an error in translation, however. While a Xiaomi 12 series phone will indeed feature a 200 MP shooter, it's unlikely to be the Xiaomi 12 Ultra.
https://www.notebookcheck.net/No-the-Xiaomi-12-Ultra-will-not-feature-a-200-MP-camera.556672.0.html