The s8 contains upgraded hardware and major design changes over their predecessors , the galaxy s7 and s7 edge , including larger screans with a taller aspect ratio and curved sides on both the smaller and larger models , iris and face recognition a new suit of virtual assistance features known as bixby , and a docking station accessory that allows the phones to be used with a personal computer - styled desktop interface with keyboard and mouse input support .the s8 received mostly review
