This hasn’t been very well documented on the Internet just yet so I thought I’d share how you need to connect your Samsung S4 device to a Mac. When you connect this device to your Mac, it (most likely at the time of this writing) will not be recognized.
To have your Mac detect your Samsung S4, you have to do some magic on your device. Click on into SETTINGS and then click on ABOUT DEVICE. If you scroll to the bottom, you will see a line entitled BUILD NUMBER.
Tap on the build number 7 times. I’m not kidding.
When you are now “a developer,” you’ll see a new menu option in SETTINGS -> MORE entitled DEVELOPER OPTIONS. In this option, you need to check USB DEBUGGING.
Then when you next connect your device to your computer, you’ll see your device: