Скачать или смотреть How Face Unlock Really Works (Behind the Scenes Explained)

Face unlock looks instant, but a lot happens behind the scenes before your phone opens. When you look at your device, it doesn’t just take a photo — it scans depth, facial structure, movement, and subtle details to make sure it’s really you.

In this video, we explain how face unlock really works, showing how smartphones use infrared sensors, depth cameras, and encrypted 3D facial maps to verify identity in milliseconds. The system checks for depth, skin texture, micro-movements, and even heat patterns to block photos and videos from unlocking your phone.

This breakdown explains why face unlock is fast, secure, and more advanced than it appears — and why modern phones rely on multiple invisible security layers before granting access.

Perfect for anyone curious about smartphone security, biometric authentication, and how modern devices protect personal data.

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