The NEX Dual Display is nothing short of original, yet still surprisingly easy to understand on a conceptual level. In more ways than one, it is the sum of vivo's pre-existing efforts in coining a fresh new and more functional mobile design. One that clearly stems from the desire to maximise screen real estate and solve the selfie camera and sensor issue in a more elegant, notch-free manner.
Source: https://www.gsmarena.com/vivo_nex_dual_display-review-1878.php
