All iPhone settings
Settings Pathfinder · iPhone
Face ID
Sets up facial recognition for unlocking iPhone and other options you choose below Use Face ID For.
In iOS 18
Settings then Face ID & Passcode then Set up Face ID
“If you didn’t set up Face ID when you first set up your iPhone, go to Settings > Face ID & Passcode > Set up Face ID, then follow the onscreen instructions.” — Apple User Guide
Where it has lived
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iOS 17 and later
Settings then Face ID & Passcode then Set up Face ID
Checked against Apple's User Guides from iOS 17 onward. Menus can differ slightly by region, language, model and installed apps.
More iPhone settings
Sources for this page
Last verified 8 Oct 2026
- 1 Set up Face ID on iPhone - Apple Support support.apple.com · guide for version 17.0
- 1 Set up Face ID on iPhone - Apple Support support.apple.com · guide for version 18.0
- 1 Set up Face ID on iPhone - Apple Support support.apple.com · guide for version 26
- 1 Set up Face ID on iPhone - Apple Support support.apple.com · current guide