Why does my camera need access to my Bluetooth when I don't use my Bluetooth when I use my camera? And why when I turn the permission off it will not let me take pictures?
It's so if you have an S pen, you can use the S pen to take a picture, or you can use your watch to take a picture, or you can use any other third party app or selfie stick that takes a picture. All of them require Bluetooth connectivity.
