I've been trying to solve AirDrop not working problem between my 2015 MBP Retina with my iPhone 6s and iPad Pro. Short of restore from fresh, not sure what else to try. Handoff works between devices, connection to BT speakers works from the MBP. What other things that you've tried that has helped solving AirDrop not working problem? I made a diagram of things that I've tried, and where the connection stops.