Face unlock usually works with the selfie camera. The phone recognizes you by recognizing your face and unlocks the phone. This special feature is used in almost all smartphones. Oppo Reno8 (China) is one of them.
Oppo Reno8 (China) was released on 23 March 2022. The phone comes with a face unlock sensor along with other sensors. With this, you can unlock your phone very quickly using your face. This really popular and amazing technology works with the selfie camera.