My Air 2, 6S, 5S & 4S are all showing up in version 3.4. Perhaps check the cable you're using or the port on your Mac to make sure it's not a hardware interface issue.
My Air 2, 6S, 5S & 4S are all showing up in version 3.4. Perhaps check the cable you're using or the port on your Mac to make sure it's not a hardware interface issue.