iPhone Calendar Alerts Not Working? Here’s How to Fix It

Having trouble with your iPhone calendar alerts not working? You’re not alone. Many people rely on their iPhone calendar alerts to keep them on schedule, but sometimes the alerts fail to go off. Don’t worry, though, with a few simple steps you can have your iPhone calendar alerts back up and running in no time.

Step by Step Tutorial: Fixing iPhone Calendar Alerts

Before we dive into the steps to fix your iPhone calendar alerts, it’s important to understand that this process will ensure your calendar alerts are properly set up and that your iPhone’s settings are configured to allow notifications.

Step 1: Check Notification Settings

Make sure your calendar alerts are enabled in your iPhone’s notification settings.

In this step, you’ll need to open the Settings app on your iPhone, scroll down to "Notifications," find the Calendar app, and ensure that "Allow Notifications" is turned on. You should also check that the alert style is set to "Banners" or "Alerts" so that notifications appear on your screen.

Step 2: Verify Calendar Alert Settings

Ensure that the specific calendar events have alerts set up.

Open the Calendar app, select the event that should have an alert, and confirm that there is an alert set for the event. If there isn’t, you can add one by tapping "Edit" and then selecting "Add Alert."

Step 3: Restart Your iPhone

Sometimes a simple restart can fix notification issues.

Press and hold either the volume button and the side button or the top button until the power-off slider appears. Drag the slider, then wait 30 seconds for your device to turn off. To turn your device back on, press and hold the side or top button until you see the Apple logo.

Step 4: Update iOS

Make sure your iPhone is running the latest version of iOS.

Go to Settings, tap "General," and then tap "Software Update." If there’s a new update available, download and install it. Updates often include bug fixes that can resolve issues like malfunctioning calendar alerts.

Step 5: Reset All Settings

If all else fails, reset all settings on your iPhone.

Navigate to Settings, tap "General," scroll down to "Reset," and select "Reset All Settings." This will reset all settings to their defaults, so you may have to set up certain preferences again, but it won’t delete any of your data or apps.

After completing these steps, your iPhone calendar alerts should be working properly. If you still don’t receive alerts, there may be an issue with your iPhone that requires further troubleshooting or a visit to an Apple Store.

Tips for Maintaining iPhone Calendar Alerts

  • Regularly update your iOS to the latest version to prevent bugs.
  • Double-check event details to ensure alerts are set correctly.
  • Avoid using "Do Not Disturb" mode during important events as it can suppress alerts.
  • If you use multiple calendar apps, make sure they’re all properly synced.
  • Test your alerts by creating a test event with a reminder set a few minutes ahead.

Frequently Asked Questions

Why are my iPhone calendar alerts not working?

Your notification settings may be turned off, the alert may not be set up for the specific event, your iPhone may need to be restarted, your iOS may need updating, or your settings may need to be reset.

How do I enable calendar alerts?

Go to Settings, tap "Notifications," find the Calendar app, and turn on "Allow Notifications."

Can software updates affect my calendar alerts?

Yes, always update to the latest iOS version to fix any bugs that may affect your alerts.

Will resetting all settings delete my data?

No, "Reset All Settings" will not delete any data or apps, but it will reset system preferences.

What if my alerts still don’t work after following these steps?

If the problem persists, there may be an issue with your iPhone that requires further troubleshooting or a visit to an Apple Store.


  1. Check Notification Settings
  2. Verify Calendar Alert Settings
  3. Restart Your iPhone
  4. Update iOS
  5. Reset All Settings


In conclusion, having your iPhone calendar alerts not working can be frustrating, but it’s usually a simple fix. By following the step-by-step tutorial above, you should have your alerts back in no time. Remember to keep your iOS updated, double-check your event alert settings, and consider resetting your settings if necessary. If you’ve tried all these steps and you’re still not receiving alerts, it might be time to contact Apple Support or head to an Apple Store for further assistance. Stay organized and never miss an important event again with your trusty iPhone calendar alerts!