Face ID on the iPhone X: Apple releases Face ID white paper and support document

The upcoming iPhone X will use Face ID, technology that unlocks your iPhone X by using infrared and visible light scans to uniquely identify your face. The company says it will work in a variety of conditions and is extremely secure. Though no one outside Apple has yet been able to confirm how well it works.

[Editor's note: This article was updated on Sept. 27, 2017, with links to Apple's Face ID white paper and Face ID support document. This article has also been updated with information from the white paper.]

This brings up a lot of questions about Face ID. We'll work to get answers to you as you ponder whether you want to buy an iPhone X when it starts shipping November 3.

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