The Xiaomi 12 Ultra is now said to be its OEM's first-gen flagship with Leica-branded rear cameras. Now, it is also now a top candidate for a cutting-edge liquid lens to the set-up in question. This second-gen component is now believed to have upgraded functions compared to the original found in the Mix Fold.
https://www.notebookcheck.net/Xiaomi-is-tipped-to-add-a-second-gen-liquid-lens-camera-to-an-upcoming-flagship-smartphone.623363.0.html