Change Alarm Sound on iPhone.
On your iPhone, launch the Clock app.
To change the sound of your alarm, tap the alarm symbol at the bottom of your screen.
Tap Edit in the upper right corner of your screen then taps the alarm you want to change. This will take you to the Edit Alarm screen.
On the Edit Alarm screen, select the Sound option.
You’ll be taken to the next screen where your current alarm sound appears on the list. You can view more options by scrolling up and down.
Select the desired alarm sound by tapping it. For each tone, a sample will be played. To explore even more alarm sound selections, go to the tone menu and choose “Classic.”
When you’re finished, return to the Edit Alarm screen and press the Save button to save your changes.
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