Why a Photo Can’t Unlock Face ID (Face ID Explained)
Автор: Professor Bob Classroom
Загружено: 2026-01-18
Просмотров: 2
Описание:
Face ID feels like magic… until it hits you with “TRY AGAIN” at the worst possible moment.
So what is your phone actually checking — and why can’t a simple photo or mask unlock it?
In this episode, Professor Bob explains Face ID and fingerprint unlock in a simple, visual way:
• What Face ID measures (3D depth + infrared, not just a selfie)
• Why it can work in low light
• Why masks/photos usually fail (what the system expects to “see”)
• Where biometric data is stored (on-device security, not your photo gallery)
• Why it sometimes fails even when it’s really you
If you’ve ever wondered why Face ID is so fast… and so picky… this will finally make sense.
Subscribe for more visual explainers about everyday tech and hidden systems.
#faceid #iphone #technology #explained #howthingswork
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