As iPhone moves to Face ID, Android still offers more variety with unlocking tech [Video]
Security used to be more or less the same on just about every phone. You could set up a PIN or pattern to keep nosy friends out, and there would almost always be a fingerprint sensor built into a home button underneath the display for faster access. These days, as bezels continue to shrink and phone makers simply don’t want anything but screen taking up space on the front of their phones, fingerprint sensors are starting to look a little different, and some are even going away entirely.