Open the Clock or Alarm app
Tap the alarm you want to change
Tap Alarm sound, Sound, or Ringtone
Select a new sound
Save the changes
If needed, tap Done or Back to confirm
Open the Clock or Alarm app
Tap the alarm you want to change
Tap Alarm sound, Sound, or Ringtone
Select a new sound
Save the changes
If needed, tap Done or Back to confirm