Connect the BlackBerry smartphone to the computer using the supplied USB cable.
From the home screen, select Settings.
If not available, swipe down from the top of the display (where the time is located).
Select Storage and Access.
Scroll to the bottom of the screen then select the "USB Mass Storage" On/Off switch to enable or disable.
From the computer, launch Windows Explorer/Finder.
For Windows Explorer, press the Windows+Ekeys ( +E) using the computer keyboard.
For Finder, click the Finder icon located on the dock.
From Windows Explorer/Finder, click the device name.
On Windows, the BlackBerry device name (which may vary) appears as a network drive.
On Macintosh, the BlackBerry device name appears as an IP address and is presented as a shared drive.
Create a new music folder or open the existing music folder (if present).
Use the computer to copy music and other audio files into the music folder.
For accompanying art in JPEG format, rename the file albumart.jpg and copy into the same folder as the music files.
To further organize files, create a subfolder within music folder and copy desired music files into it.
Disconnect the USB cable from the computer.
In addition to the process outlined above, BlackBerry Link can also be used to transfer media files.