No Alert sounds from iphone mail app when device is locked

Following the upgrade to version 18.4.1, I have observed that alert notification sounds for incoming emails on the Mail app are not functioning when my iPhone is locked.


I have verified the following settings:


  • Notifications are enabled for the Mail app.
  • Lock Screen notifications are selected.
  • The side toggle switch is in the "On" position.


Additionally, I have completed the following troubleshooting steps:


  • Navigated to Settings > Notifications > Mail > Sounds and selected a sound.
  • Went to Settings > Notifications > Mail > Customize Notifications > Accounts and ensured alerts are enabled for the relevant email account.
  • Confirmed alerts are enabled in Settings > Notifications > Mail > Customize Notifications > Primary Inbox.
  • Selected All Unread Messages under Settings > Notifications > Mail > Customize Notifications.
  • Restarted the iPhone.
  • Reset all settings.


Despite these actions, the issue persists.

iPhone 13 Pro Max, iOS 18

Posted on May 6, 2025 3:33 PM

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No Alert sounds from iphone mail app when device is locked

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