Abstract
New smartphones by Apple and Samsung have used facial features to recognize their users. These smartphone manufacturers claim that this technology is the most secure and reliable biometrics methods. This paper investigates the usability aspects of face identification technique embedded in these smartphones. The results of this survey have shown that more than half of smartphone users are satisfied with the face detection technique while unlocking their phone. However, 59 percent of smartphones don't use face detection technique while doing purchasing in the app store, showing less trust on this feature where financial transactions are involved. Additionally, the result showed wearing head accessories have reduced the efficiency of face detection technique such as glasses and niqab for Muslim women. Despite some usability issues in using face detection technique, majority still believe it is a powerful tool and they are willing to continue using it.