Biometrics are authentication methods that can identify individuals based on physiological characteristics. On Galaxy S9 and Galaxy Note8, the available biometric authentication features are fingerprint scanning, face recognition, and iris scanning. Iris scanning is a secure authentication method available on smartphones that is difficult to spoof. Additionally, fingerprint scanning and face recognition are two quick and convenient unlock methods for your phone.
On the Galaxy S9 and Galaxy S9+, there is also the option of a new fusion biometric authentication method called Intelligent Scan. By combining face recognition and iris scanning, it utilizes each to bolster the other depending on the environment—so in low light or broad daylight, you can unlock easily and securely. Intelligent Scan keeps your phone from prying eyes, while making it convenient for you to access it when you want.
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*Accuracy of Intelligent Scan may differ depending on surrounding conditions.