iphone 12 64gb Face ID doesn't work

Excellent Grade, fully functional, visible scratches and small dings are visible. No dent, bend, or chips. Face ID doesn't work. User can use a PIN code instead. all other functions work as it should incl both cameras Comes With - Apple iPhone 12 64GB Blue, Black, Red or White - Brand New Cable - Box - Tempered glass protector - Battery life: 100% - 12 month Warranty