I don't have a 'superview' option on my gopro Hero6. Only Linear and wide.
turn on camera.
press resolution for 4K, then press fps 30f then FOV what do you see.
Press resolution for 2k7@16:9 then press fps 30f then FOV what do you see
Did tyou do that
Here is a listing of available resolutions/frame rates and the corresponding FOV options available-video-resolutions-for-hero6-black
Imagine that a chart telling the super-voew ,, I take a photo and save it to thesmartphone so when out i nthe field you got a templete to go bye
Endjoy Stay stoked.