1. First, open the phone, click on the QQ mailbox on the phone to enter, and select the received audio file to enter.

2. Then select Show details and click to enter, then click on the received song file.

3. Then select safe download. You need to use QQ browser to support downloading.

4. Then the QQ Browser pops up to confirm the download. Click to confirm the download.

5. Finally, open the audio file in the phone, and you can see that the downloaded music file is in the audio file on the phone.