February 16th, 2022 
Marty Figgs 
Even though face unlock has been a part of Android since Ice Cream Sandwich, several Android manufacturers have been working on improved versions over the past year, mostly in response to the iPhone X. The ill-fated Note7 had an iris scanning feature, the OnePlus 5T includes face unlock, and the Galaxy S9 has a hybrid of the two features. Starting with the next Android release, it might be easier for OEMs to add iris scanning to their devices.
Partial iris scanner support in progress for future Android version was written by the awesome team at Android Police.
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