how do you set a song as a ringtone on samsung galaxy s10?
['Start the Settings app.', 'Tap "Sound and vibration."', 'Tap "Ringtone."', 'To change the ringtone to one of the built-in sounds, tap any entry in the list and then tap the back button.', 'To select a song stored on your phone, tap the plus sign at the top right of the screen.']