A sufficiently motivated and legally-empowered government official will always be able to find a way to unlock your phone. If nothing else, plenty of government

A sufficiently motivated and legally-empowered government official will always be able to find a way to unlock your phone. If nothing else, plenty of governments would simply torture you until you gave up the passcode. Biometric/facial ID/etc. are conveniences for the masses. They're not ever going to stop the secret police, and bringing up that they won't stop the secret police is not a useful objection, since nothing you can do will stop sufficiently-motivated secret police from being able to force you to access something you have access to.