Here's some context: The patterns in your irises are unique to you and are virtually impossible to replicate, meaning iris authentication is one of

Here's some context: The patterns in your irises are unique to you and are virtually impossible to replicate, meaning iris authentication is one of the safest ways to keep your phone locked and the contents private. Source: http://www.samsung.com/global/galaxy/galaxy-s8/security/ http://www.samsung.com/global/galaxy/galaxy-s8/security/ I think the quote is fair. Also your pin disabled argument doesn't make a lot of sense. That's like saying 123456 is a good password because many people disable the password prompt at login.