Samsung SCH-I515MSAVZW - Manual (Page 74)

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Connect to a Windows computer via USB
You can use a USB cable to connect your phone to a Windows computer and transfer music, pictures,
and other files in both directions. This connection uses the MTP protocol, which is supported by most
recent versions of Windows.
If you are using USB tethering, you must turn that off before you can use USB to transfer files between
your tablet and computer.
When you connect your phone to the USB port on your computer, its USB storage is mounted as a drive
and appears on your computer screen. You can now copy files back and forth as you would using any
other external device.
When you're finished, simply disconnect the phone by unplugging the USB cable.
Related settings
Settings > Wireless & networks > More > Tethering & portable hotspot
Settings > Device > Storage > Menu > USB computer connection