Not exact matches
Our favorite is Intelligent
Scan, which primarily uses the
iris scanner as the main way to unlock the phone, but it falls back to facial recognition if
iris doesn't
work.
The camera
works as a security system, too, though it lacks the sophistication of Apple's Face ID, found on the iPhone X. Samsung combined two existing features, face unlock and
iris scanning, into a feature called Intelligent
Scan.
Qualcomm claims that in its preferred configuration, authentication times are already below 40 milliseconds with low - power
iris scanning, which
works even when you're wearing sunglasses.
On the S9 Plus, face unlock and the
iris scanner are used together via Intelligent
Scan, through which the phone uses both metrics and goes for the one that
works first.
They'll just improve
iris scanning with Face recognition
working together and leave the scanner on the back.
And fingerprint
scanning isn't perfect; it doesn't
work when your phone is wet (that's a problem on a water - resistant phone) whereas
iris scanning and facial recognition
work fine.
Google is
working to develop
iris scanner support that could complete with 3D
scanning used on iPhone X, according to code examined by Android Police.
The S8 also offers
iris scanning that also
works well in the dark, but having two technologies to do one thing seems like overkill.
It also didn't always
work on the first try; fortunately, you can log in via facial recognition or
iris scanning.
Samsung is also
working on a series of extra features, including improved
iris scanning and face recognition.
I imagine Apple would increase the
scan range and speed it up further, but unless it can make it
work from virtually any angle you can use a fingerprint sensor, going only
iris scanner sounds like a bad move.
Intelligent
Scan allows the device to use both the
iris scanner and facial recognition at the same time to offer even better security, and it will
work well in low light or bright conditions — something that hindered previous scanners on the Galaxy S8 series and Galaxy Note 8.
On the Galaxy S9, if you are using
iris scanning, you will have to ensure that you are looking at the handset at a particular angle and from a certain distance so that the
iris scanner can
work properly.
Keep in mind that
iris scanning might not
work consistently if you wear glasses or contacts, and that it sometimes has trouble in direct sunlight.