Vivo has announced its latest flagship phone, the X80 Pro, and its most prominent new hardware feature is a larger in-display fingerprint sensor. The active area is far bigger than the small sensors found on most Android phones these days, meaning it’s easier to unlock the phone without looking at the screen to align your thumb.
The scanner has several advantages beyond just being physically larger. You can register each fingertip with a single press on the screen, instead of having to lift and press it several times as with conventional phones. It works very quickly, even if your hands or the screen is wet. The larger surface area also means you can set the phone up to require two simultaneous fingerprints for an extra layer of…