Vivo has a habit of pushing the boundaries of smartphone design and the incoming NEX 3 looks set to continue the tradition. NEX product manager Li Xiang has posted sketches of the device today highlighting some of its design inspirations.
https://www.notebookcheck.net/Vivo-ramps-up-the-NEX-3-hype-ahead-of-IFA-Berlin-with-new-sketches-of-waterfall-display.430355.0.html