2. Open the iTunes software, wait for it to recognize the Apple 6 plus device, and then click the "iPhone" icon on the upper right.
3. Find and check the "Manually manage music and videos" option in the iPhone summary interface, and then click the "Apply" button at the bottom right.
4. After the application is completed, please click the "This iPhone" option in the top navigation bar.
5. Check the music management interface on iPhone.
6. Open the folder where the music is stored on your computer, and then manually drag the music you want to import to the music in iTunes.
7. The status bar at the top of 7.iTunes shows that music is being uploaded to iPhone, and the successfully imported concert shows a small tick on the left side of the music.
8. Go back to Apple's 6 plus phone, open the music application, and click on the song to see the music just imported on the computer.
9. If you find that the music has not been uploaded to Apple 6plus, please click the "Sync" button in iTunes to try.