A fantastic render has been published showing what Xiaomi could be planning in regard to smartphone front-facing camera placement. The render is based on a patent made by the Chinese smartphone company, which of course, may never go further than the drawing board. But it does at least highlight how important innovation is for Xiaomi.
https://www.notebookcheck.net/Xiaomi-gets-creative-with-dual-selfie-camera-placement.415548.0.html
At this point, you can't even be sure whether it's April Fools or for real...