If you're experiencing intermittent notification sounds on your iPhone 15 Pro running iOS 17.4, there are several steps you can take to try and resolve the issue:
- Make sure that you don't have "Do Not Disturb" mode enabled. When this mode is active, all notification sounds will be silenced. You can check by swiping down from the top right corner of the screen to open Control Center and ensure the crescent moon icon is not highlighted. Unveiling the Multi-Faceted Triggers of DND --D… - Apple Community
- Go to Settings > Notifications and review the notification settings for each app. Ensure that the notification sounds are enabled for the apps you want to receive sounds from. No Notification Alerts - Apple Community
- Ensure that all of your apps are up to date. Developers often release updates to fix bugs and improve performance, which may include issues related to notification sounds.
- This may help --> General Troubleshooting iPhone Issues: St… - Apple Community
- If none of the above steps resolve the issue, you may need to restore your iPhone to factory settings. Before doing so, make sure to back up your data either through iCloud or iTunes. You can then restore your iPhone through iTunes on a computer or by going to Settings > General > Reset > Erase All Content and Settings.
If the problem persists after trying these steps, you may need to contact Apple Support for further assistance. They can provide more advanced troubleshooting steps or determine if there's a hardware issue with your device.