Operating environment: iPhone 13, iOS 15.5, QQ Music 1 1.8. 1 Format Factory 3.2. 1.

1. Select the ringtone to enter the qq music page, select the song to be changed to mp3 format, and click.

2. Click the dot icon to switch to the song interface, find two dot icons on the right, and click Enter.

3. Click to pop up the interface of setting ringtone prompt box, slide the mobile phone screen to find the setting ringtone and click.

4. Find the library band and flip it to the setting ringtone interface, click the setting ringtone in the lower position, and click the library band in the pop-up window.

5. Select Share to enter the library band, long press to change songs as needed, and click Share in the pop-up window.

6. Click on the music, and then in the music sharing interface, find the leftmost music and click.

7. Click Share, turn to the music sharing interface, find Share in the upper right, and click.

8. Click on more pop-up pages to slide to the mobile phone screen, find more options and click to enter.

9. Click the format conversion to turn to the APP interface, pull up the screen of the mobile phone to find the format conversion, and click Enter.

10. After finding the converted audio and entering the file interface, find the converted song and click it, and click the converted audio in the pop-up window.

1 1. Set the mp3 format, and finally enter a new page. Only to find that the format is set to mp3.