PrepNow on Instagram: "Craig Federighi stepped on stage to introduce Face ID to the world… and then it happened. The iPhone X didn’t unlock. Instead, it asked for a passcode—live, in front of everyone. Awkward? Yes. Viral? Instantly. But the real story was happening backstage. The device had been tested too many times before the demo, triggering its security safeguard. Face ID temporarily locked itself—not because it failed, but because it was protecting user data exactly as designed. Seconds la