The Redmi K50 has turned up in some fan-made renders and a short video clip. The likely future POCO F4 looks very different to its predecessor Redmi K40 in the new images, with the camera housing style borrowing more from OnePlus than Xiaomi. The Redmi K50 is expected to be joined by a Redmi K50 Pro and Redmi K50 Pro+.
https://www.notebookcheck.net/Unofficial-Redmi-K50-renders-show-radical-design-overhaul-for-the-potential-future-POCO-F4.572867.0.html