How to Increase the Volume/Sound of Alarm on iPhone | Alarm Louder
How to change the alarm’s volumeGo to Settings > Sounds & Haptics.Under Ringer and Alerts, drag the slider left or right to set the volume. As you drag, an alert will play, so you can hear how the volume changes.Turn on Change with Buttons to use the volume buttons on your device to change the alarm volume.Dec 21, 2021