Hi can anyone help here. I've got a p 3 advanced and i want to use course lock but it just isn't on the app! I've enabled muti flight functions, flown it over 10 meters away and switched to f mode, then click top left on app to get settings but course lock and poi are just not there? Help

I'm already addressing you issue via your other thread:

http://forum.dji.com/thread-57102-1-1.html

It's recommended to only have one thread per issue, so that assistance is not duplicated.