If Face ID is not working on your iPhone, there may be gunk or debris obstructing one of the cameras or sensors on your iPhone.
How Do I Clean My iPhone's Cameras And Sensors?
- Using a microfiber cloth, gently wipe the front of your iPhone.
- The cameras and sensors are located near the top of the iPhone.
- Microfiber cloths are the safest way to clean the front and back of your iPhone.
- You can get a great pack of microfiber cloths on Amazon for less than $10.