A:AnswerThe samsung phone does not have a mini hdmi port. I use this cord to hook a raspberri pi 0 computer to a monitor with a hdmi input. The Samsung phone uses a USB C connector not a mini hdmi so you would need a diffrent chord.
A:AnswerYes, you can transfer files from a phone to a laptop with this cable as long as your phone has a mini-HDMI port and your laptop has an HDMI port.