Note: this part can not fix your face ID. 

The flood illuminator works with the Face ID system and is tied to the unique logic board inside each iPhone X, so it failed after replacing.  
Original replacement parts refurbished removed From Original iPhone X, and we refurbished it like new.
iPhone X Front Camera Flex.
Fully tested and in good working condition.

Compatible Model:
A1865, A1901, A1902

Package Includes:
1x Original iPhone X Front Camera flex