The Galaxy S9 combines face and iris unlock into something that still isn`t as good as Face ID
(Android Police)

The Galaxy Note7 introduced Samsung`s iris scan technology back in 2016, and it`s been on every Samsung flagship since. On the Galaxy S8, Samsung also added face unlock, but it wasn`t authorized for secure actions like mobile payments. The issue on the S8 and Note8, though, was that you had to pick one unlock method or the other: insecure face unlock (meaning you had to use fingerprint for mobile payments) or secure iris unlock (which is unarguably harder to use). Read MoreThe Galaxy S9 combines face and iris unlock into something that still isn`t as good as Face ID was written by the awesome team at Android Police.