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The Samsung Kies software is required for you to be able to transfer files between your device and computer.    ” ” Your media files will save to your computer via Samsung Kies.
Navigate to the official Samsung Kies website at http://www.samsung.com/us/kies/. Select the option to download and install the software for Mac OS X. Connect the Galaxy S4 to your computer using a USB cable. Launch the Samsung Kies application on your computer if the program is not already open. Click on the “Back up / Restore” tab in Samsung Kies. Place a checkmark next to “Select all items. Click on “Backup. Disconnect your Galaxy S4 from the computer and USB cable after you have finished backing up your data.