Imperfect Features: Face ID in iPhone X has a Big Flaw

Imperfect Features: Face ID in iPhone X has a Big Flaw

Maybe you have got a new iPhone X at NOV. 3. The first time you get the new iPhone, you should learn to use and know the new feature. When Apple unveiled Face ID in September, it did warn, however, that its 1-in-1 million false acceptance rate might be somewhat lower if presented with two people with very similar DNA. In other words, siblings or identical twins gave the system problems. Is that true? Is it only twins who have this phenomenon? Let's look at the examples below.

An iPhone X owner has shared a video of his brother

unlocking his new phone using Face ID. "We are not twins. He is five years younger than me," the older brother and owner of the iPhone X says. They both wear similar glasses. When his younger brother tries to unlock the phone without his glasses on, it doesn' t work. But when he slips his glasses back on, the iPhone unlocks.

The video, posted to Reddit, reveals a potential flaw with Apple' s new security system, which uses 3D facial scanning. And Apple has noted the potential flaw, stating in the official Face ID security guide: "The probability of a false match is different for twins and siblings that look like you as well as among children under the age of 13, because their distinct facial features may not have fully developed." It adds: "If you’re concerned about this, we recommend using a passcode to authenticate."

Still, these results do not bode well for all the identical twins out there, to say nothing of triplets and quintuplets.

Since Face ID is backed by powerful silicon and algorithms, it even learns how your face changes over time, we can only hope that Apple will continue to

strengthen Face ID’s twin-discerning capabilities. In the meantime, identical twins will probably be using a passcode on the iPhone X.

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