3. Beast Mode
Samsung Galaxy S8 and S8 Plus are expected to arrive with a powerful new feature called Beast Mode. Nothing much is known about it, but speculations hint that this mode will possibly all the S8 to function at its optimum for performance-hungry functions like gaming.
4. Iris Scanner
Samsung had introduced the iris scanner feature on Galaxy Note 7 last year. Since then it has been in the rumors that the Galaxy S8 would be arriving with this retina recognition feature. Apart from the fingerprint scanner, the iris scanner can be used by Galaxy S8 users to unlock it as well as secure certain folder on the device. It is also speculated to carry support for authenticating payments.