Manually adjusting your iPhone's time in Settings to change app behavior, like game timers, isn't recommended and can affect alarms.

If you connect headphones or speakers to your iPhone, the alarm plays at a set volume through the built-in speakers on your iPhone as well as wired and wireless headphones and speakers.

Tap the alarm, then tap Sound and choose a Sound. Open the Clock app, tap the Alarm tab, then tap Edit.

If your alarm only vibrates, make sure that your alarm sound isn't set to None.

Snooze: Turn on to see a Snooze option when the alarm sounds. Sound: Tap to pick a sound that plays when the alarm sounds. You can also choose one of these options: Repeat: Tap to set up a recurring alarm. You can also go to Settings > Sounds & Haptics and drag the slider under Ringer and Alerts. Open the Clock app, then tap the Alarm tab.

Set the volume on your iPhone. If your alarm volume is too low or too loud, press the volume button up or down to adjust it.

If you have an alarm that doesn't sound or is too quiet, or if your iPhone only vibrates, check the following: If you set your Ring/Silent switch to Silent or turn on Do Not Disturb, the alarm still sounds.

Do Not Disturb and the Ring/Silent switch don't affect the alarm sound.

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