I just received my promotional gear vr with controller in the mail. My phone works fine, but when I plug it into the vr nothing happens. I factory reset the phone just in case. Im sure it's not the gear vr, because it works fine with a friends galaxy s7. And the usb on my s8 seems to work fine. Not sure what the problem is.
Read more: How do you connect your Galaxy S8 to a Gear?