You can add another person to Face ID on your iPhone by repurposing the Alternate Appearance setting.

Apple's Face ID is one of those features you don't fully appreciate until it stops working. When it's behaving, it feels effortless; you glance at your iPhone and it's instantly unlocked. But when ...

Phone theft is on the rise. Face ID—especially in public—is one of the surest ways to keep your iPhone safe. Here's how to use it. The convenience of smartphones is undeniable, but the personal data ...