iPhone 18 Pro adds supplemental image data layer to Face ID authentication

Apple has added an extra authentication layer to Face ID on iPhone 18 Pro, supplementing depth and infrared data with additional image data processed by a secure exclave. The change aims to speed up authentication without reducing security. The dot projector was moved under the display.

• Face ID on iPhone 18 Pro uses supplemental image data for authentication
• Processing runs on the secure exclave, separate from the main chip
• Dot projector moved under the display, potentially affecting speed but not accuracy
• iPhone 18 Pro launched September 18; some users report rare Face ID issues