Stembolt Is your Pixel phone missing Screen-off Fingerprint Unlock? How to enable it in Android 16 Beta 4 The toggle to enable the Screen-off Fingerprint Unlock feature is missing from Android 16 Beta 4, but it’s still possible to enable it via a hidden command. Screen-off Fingerprint Unlock allows Pixel phones to use fingerprint unlock even when their screens are off. The feature was first introduced in Android 16 DP2 for the Pixel 9 series but later expanded to all Pixel phones in Android 16 Beta 3.