The Motorola razr V4 Folding Smartphone is a new iteration of the famous early folding phones. With the original hinged design, this smartphone isn’t quite vintage: it actually has a folding OLED display. And now it runs on Android 10, giving you more customization options. When completely open, the screen offers a wide aspect ratio perfect for watching movies—and the hinge remains completely hidden. The main screen on this razr smartphone measures 6.2″, while the external display totals about three..