Android

Android 16 enables screen-off fingerprint unlock on Pixel 9

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Android 16 introduces a new feature for Pixel phones, specifically the Pixel 9 series: fingerprint unlocking while the screen is off.

In Android 16 Developer Preview 2, a new setting called “Screen-off fingerprint unlock” lets users activate the fingerprint sensor even when the display is completely dark. This is a notable new feature in the preview, as other changes were largely visual tweaks.

This functionality appears exclusive to the Pixel 9 series, likely due to its new ultrasonic fingerprint sensor. Older Pixel phones use optical sensors, which emit light when activated. Keeping these sensors constantly active could lead to accidental light activation, especially in dark environments. Ultrasonic sensors don’t use light, making screen-off unlocking a smoother experience.

While always-on display (AOD) has offered similar functionality by keeping the fingerprint sensor active when the time is shown, this new option benefits users who prefer not to use AOD.

On Pixel 9 devices running Android 16 Developer Preview 2, the setting can be found in Settings > Security & privacy > Device unlock > Face & Fingerprint Unlock > Fingerprint Unlock.

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