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You can also press the lock button five times to make it refuse to unlock without a valid passcode.


Just tried that (iPhone 8) and it did reject my fingerprint but only after issuing a loud WHOOP WHOOP “Emergency SOS” and 3 second countdown to make an emergency call (presumably 911).

Hardly a stealth move to pull at the border!


Press and hold volume up and lock button. No sound.


Oh, I keep that feature off so I didn’t realize it also will dial the emergency number. Thanks for the heads up!




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