1. Please confirm whether you have mistakenly touched the buttons of the wired headset or Bluetooth headset, or misoperated the leather case, desktop music icon, etc.

2. Please click "Settings > Sound" to confirm whether the incoming call ringtone or notification tone you set is the music (such as a song) saved in the phone. If music is set, some third-party applications will call the music to play when they play a tone or ringtone, making you mistakenly think that the music plays automatically. You can choose the system's built-in ringtone or shorter music as the prompt tone.

3. Some third-party music playing applications have an auto-play function. Please check whether the auto-play function is turned on in the settings of the application.