For AirDrop, at least, I've found it to be very reliable, with one caveat that always tripped me up before I realized it: *the recipient's phone needs to be unl

For AirDrop, at least, I've found it to be very reliable, with one caveat that always tripped me up before I realized it: *the recipient's phone needs to be unlocked*. This completely changed the game for me, and now me and my wife use it all the time.