Xiaomi has already released Mi MIX Fold, commercially the first foldable smartphone in the market, and Mi MIX 4 is about to release soon. As per Ice Universe, a famous Chinese leaker reaffirms that Xiaomi Mi MIX 4 will have an under-display camera, and it will be a first for Xiaomi. 

ZTE and Vinsmart already have this kind of camera, and now Xiaomi also be a part of that family. He also mentioned that the smartphone would feature a curved display. But here, a preference will matter for sure as many us doesn't like very curved display feature.

As per reports, Mi MIX should feature a display with QHD+ resolution and a 120Hz refresh rate. It might be powered by Snapdragon 888. The smartphone will support ultra-fast wired and wireless charging. The fingerprint scanner might be the same as Mi 11. Let's wait for the smartphone to release to know more about the specifications.