Vivo’s NEX 3 has a 6.89-inch OLED Waterfall FullView display that curves along the edges, leading to a 99.6% screen-to-body ratio. The phone has the latest internal hardware available today, and a 64MP camera at the back.
Source: Vivo unveils NEX 3 with insane 99.6% screen-to-body ratio, 64MP camera | Android Central