1. Connect phone and computer
Connect the data cable to the phone socket and to your computer's USB port.
Press the bar at the top of the display and drag it downwards.
Press USB connected.
Press Connect USB storage.
2. Transfer audio files
Start a file manager on your computer and find your phone in the computer's file system.
Go to the required folder in your computer's file system.
Highlight the required audio file and move or copy it to your phone.