A:AnswerYes it will work. My daughter has the S7 and i bought the chather for her and she raves about how well it works. I bought a second one for myself for my note 5.
A:AnswerThe charger part is. The micro tip won't fit on the S8 but Samsung makes a little adapter piece (USB to USB-C) that goes between this cord and the phone. And then it works seamlessly. Or you can just swap out a USB-C cord.
A:AnswerNo. This Item can work only to the following Samsung devices: Galaxy Note 4, Galaxy Note Edge, Galaxy S6, Galaxy S6 active, Galaxy 6S edge, Galaxy 6S edge plus and Galaxy Note 5.