On Mac OS X 10.11.x, Bridge and Bridge CC 2015 do not recognize the following types of devices:
Adobe Bridge and Bridge CC 2015
Mac OS X 10.11
This issue has been fixed in Bridge CC 2017. Beginning with Bridge CC 2017 version 7.0 release, all the devices are now recognized by Adobe Photo Downloader.
To resolve this issue:
For detailed instructions on how to import photos from your connected device using Adobe Bridge, see Import photos from a digital camera, card reader, or mobile device using Photo Downloader.