Use Face ID to unlock iPhone, authorize purchases and payments, and sign in to many third-party apps.
How to Set Up Face ID on iPhone 11
Face ID is not available on my iPhone - Apple Community
Create multiple Safari profiles on iPhone - Apple Support
Keep cards and passes in Wallet on iPhone - Apple Support
How to Turn On Face ID for Apps on iPhone
Face ID and passcode - Apple Community
Identify people and pets in photos on iPhone - Apple Support
View Live Activities in the Dynamic Island on iPhone - Apple Support
Save keystrokes with text replacements on iPhone - Apple Support
How to use Face ID on an iPhone
Set up Ask to Buy - Apple Support
Get started with Screen Time on iPhone - Apple Support (IN)