If using a Macintosh computer, additional software is required in order to transfer files.
For a quick overview of Verizon Cloud, watch this video.
Connect the device to a computer using the supplied USB cable.
If necessary, touch and hold the Status bar (area at the top of the phone screen with the time, signal strength, etc.) then drag to the bottom.
The image below is only an example.
Tap the USB icon then select File transfers.
Launch File Explorer or Windows Explorer.
Using the computer keyboard, press Windows+E (+E) keys.
Alternatively, right-click Start then click Open File Explorer or Windows Explorer.
Using Explorer, navigate: xt1254 > Internal storage > Music.
Utilize the computer to copy music files into the desired location on the computer's hard drive.
For any accompanying artwork in JPEG format, rename the art file albumart.jpg and copy into the same folder as the music files.