iPhone Problems

iPhone Calendar Search Not Working? Fixed iOS 16/17

by Anna Sherry   Updated on 2023-07-24 / Update for  iPhone Fix

We plan our day with Calendar app, which reminds us a meeting, an appointment or an annivesary and birthday. And you can search for any events you create too. However, with the latest iOS update of iOS 16/17, a lot of users complain that the Calendar search is not working on their iPhones.

8 Tips to Fix iPhone Calendar Search Not Working

iOS system does have some bugs and it could be the reason that iPhone calendar search not working. However, there are other possible causes that are not related to the iOS system. No matter for what reasons, we will go through 8 different methods to try to fix this issue.

1. Restart Calendar App and iPhone

First, we will try the most basic things you should do whenever an app crashes or is not working properly. Restart the Calendar app itself and further try force restarting your iPhone. These two methods will fix the Calendar search not working suddenly in most situations.

One more tip here is that you can sign out and sign in your Caledar account to let it sync and show all events again. It will help you out too.

2. Show All Groups in Calendar

There are different groups for you to make events you create in category, which make it easier for you to organize and keep your work events separate from personal ones. As for Calendar search not working, ensure that all groups have been enabled. Launch Calendar app. Tap on Calendar tab at the bottom. Tick all the important calendar groups.

3. Enable Calendar to Use iCloud

With the same iCloud account, you can sync your calendar between iPhones and other Apple devices. But you need to toggle on Calendar sync in iCloud, otherwise, it could be the reason why iPhone Calendar search is not working properly. In such a scenario, enable it in iCloud.

  • Open Settings and tap on your Apple ID > iCloud.
  • Look for Calendar and tap on the toggle to turn it on.

    icloud calendars
  • If you decide to turn off Calendar sync, ensure that you kept a copy of the previously synced calendars so you can still search and find them on your iPhone.

4. Sync Calendar for All Events

It is not enough to toggle on Calendar sync in iCloud. And what if you are using non-iCloud account and Calendar search is still not working for old events? It may be because that you only sync and show tte events in the latest few weeks or months. Just change the option to All Events in Settings.

  • Open Settings app and tap on Calendar > Sync. Here select All Events.

    calendars sync all events
  • Wait a few seconds for it to sync and launch the Calendar app. Refresh it and then search the events.

5. Check Apple System Status for iCloud Calendar

If you are using iCloud Calendar, the reason for iPhone calendar search not working maybe due to the fact that an issue is present on Apple’s end. Thus check the Apple system status page and look for iCloud Calendar. A green light means everything is good. If not, wait for Apple to resolve the issue.

6. Reset All Settings on your iPhone

Another good option to fix this Calendar search not working iPhone issue is to reset all settings on your iPhone. A lot of times, if you were messing around with stuff, you end up changing things without even knowing. Follow the directions to reset all settings on your iPhone. No data will be lost.

  • Open Settings and go to General.
  • Tap on Transfer or Reset Settings > Reset > Reset All Settings.

    reset all settings iphone

7. Update iOS to Latest

Some iPhone users complained about Calendar search not working after updating their devices to iOS 16/17. But sometimes having an old iOS can lead to calendar search problems too. In both situations, this can be fixed by updating your iPhone to new iOS versions like iOS 16/17. Go to Settings and check for any pending update in Sofware Update.

8. Fix Calendar Not Working with ReiBoot

The last tip is here after the latest iOS 16/17 update, which may still not fix the Calendar search not working problem yet. Tenorshare ReiBoot is a software that fixes any system bugs present in the iOS. Using the standard repair, you do not lose any data and all your Calendar issues are resolved. It's quite easy to use shown as below:

  • After downloading and installing ReibBoot on your computer, run it right away. On the main interface, click Start to begin the repairing process.

    fix ios problem - launch reiboot
  • Connect your iPhone to the computer via a lightning cable and then select “Standard Repair” to continue.

    fix ios problem - standard repair
  • Now it is time to download the latest firmware package, which takes a few minutes. Keep network and device connection during the process. After that, click “Start Standard Repair”.

    fix ios problem - download firmware package
  • Your iPhone will restart and you will be greeted by the Hello screen. Calendar search will work now.

    fix ios problem - repair successfully


Calendar is a great app to keep your life organized and you can remember and search for all the important events easily. As for iPhone calendar search not working, you can try these wonderful techniques above to fix it and enjoy seamless navigation of your life. If it is caused by iOS 16/17 system problems, we recommend using Tenorshare ReiBoot.