You only need to download an audio extractor APP, use the audio editing and production function inside, and then you can convert the music file format to the format you want. You can follow the steps below.

The first step is to click to open the audio extractor APP that has been installed on your mobile phone.

The second step is to click Audio Editing in the lower right corner to enter the audio interface.

The third step, after entering, select an audio file that needs to be converted to MP3 and click Next.

Step 4, then click on the transcoding option.

The fifth step is to select the audio format that needs to be converted to, here is the MP3 format.

Step 6. Click the OK button to enter the automatic transcoding stage.

Step 7: Wait for completion, it will show that the conversion is successful. The second music file is in MP3 format. If you need to convert to other formats, you can also follow the above steps.