How to import lossless music to iPhone and play it: 1. Connect iPhone to the computer and open the software PP Assistant to view (take iPod Touch as an example). 2. Switch to the video music panel and select music. 3. Click Import, select the lossless audio on your computer, and click Open (take .wav format audio as an example). 4. While the audio is being imported, operations such as removing the data cable, turning off the computer power, or closing the PP assistant software are not allowed during this period. 5. Lossless audio import is completed. 6. Enter the iOS system desktop and select the player software Tiantian Music. 7. Click on local music. 8. Click on the lossless audio file (.wav suffix) just imported to start playing.