The Pixel 4 is the first Android phone to feature a proper secure face unlock mechanism that can't be easily fooled by pictures or similar looking people. To enable authentication in banking apps or password managers, this technology requires Android 10's new biometrics API. Since it's different from the previous fingerprint API, there are only a handful of applications that already support it. A new Xposed module provides a workaround for unsupported apps that aren't yet compatible with the Pixel 4's face unlock. The only caveat: it requires root access.
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