Tools/materials: OPPOA72, ColorOS 1 1, QQ Music 10. 15.5.6438+00.
1, search for music
Use QQ music, search for local music, buy music and search for the music you are looking for.
2. Click the ringtone settings.
Click the settings behind the music you want to use, enter the settings page, and click "Set ringtone".
3. Select a music clip
Open the boundary between the beginning and the end, select the segment of ringtone, and click "Set ringtone" below.
4. Successful application
Search for the required ringtone, click the ringtone setting, and set the ringtone directly for free.