I couldn’t add calendar events and all the events from the past were disappeared after updating to iOS 11. I haven’t changed or deleted anything.
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Here we just list two common iPhone calendar problems, it also happens on iPad. Those calendar problems can be caused by plenty of reasons. But worry not, as we do have workarounds for those iPhone/iPad calendar problems. And here in this guide, we will list the most reliable and efficient solutions to help you out of those calendar problems in minutes. Compatible with both iOS 10 and iOS 11 devices.
Basic Tips to Fix iPhone Calendar Not Working After Updating to iOS 11. Check the date and time settings on your iPhone 6/6s/7 after iOS 11 upgrade. Refresh your calendars on iPhone on iOS 11. Open the Calendar app tap the Calendars tab swipe down on the list to refresh your events. Turn off iCloud Calendar and turn it.
How to Fix: iPhone Calendar Problems
- David Farren has a macOS calendar issue. He has two Macs, an iPhone, and an iPad mini, and after using a third-party calendar app for a year, he decided to switch back to Apple’s native Calendar.
- Draw Calendar takes the timeless tradition of writing on a planner, whiteboard, or wall calendar, and brings it to life on iOS. The app is a fun and unique spin on traditional calendar apps, and stands as proof that keeping a schedule or staying organized can actually be fun.
1. Calendar Events Disappeared or Unable to Add New Events
- If you are using iCloud calendar or other cloud calendar service: Check whether your iPhone/iPad is correctly connected to the Internet first. If the problem still exists, you ought to change the sync settings: Go to Settings > Calendar > Sync > Choose the option you prefer.
- Restart your iPhone: Press and hold the Top (or Side) button until the slider appears > Drag the slider to turn off your device > Wait for a few seconds, press and hold the Top (or Side) button again until you see the Apple logo.
- Change default calendar: Go to Settings > Calendar > Default Calendar and select a calendar under iCloud to make it default.
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2. iPhone/iPad Calendar not Syncing
- Turn Off Calendar Sync then Enable it Again: Go to Settings > [your name] > iCloud > Disable Calendar sync. Wait for a few minutes, go to Settings > [your name] > iCloud > Enable Calendar sync again.
- Change your sync settings: Go to Settings > Calendar > Sync > Choose the option you prefer. You’re supposed to select All Events for syncing in your calendar.
- Restart your device and then open Calendar app on iPhone again.
3. All Calendar Contents Disappeared
If you have backed up calendar events to iCloud or iTunes, then you can choose to restore your iPhone from the backup to recover those disappeared calendar contents. But it is worth mentioning that restoring from iTunes/iCloud backup will erase all your existing data on device, and replaced by the files in the backup.
If you don’t want to lose any files on your device, or made no available backup before, turn to PhoneRescue – iOS Data Recovery for help. It can help you recover all your deleted or lost calendar contents with no previous data wiped. It supports recovering deleted calendar events from your iPhone/iPad directly, even without backup. More than anything, it enables you to preview the lost calendar events, which makes it possible for you to selectively recover the one(s) you need instead of all contents.
Now, let’s go to the download page of PhoneRescue and download PhoneRescue – iOS Data Recovery on computer prior, then recover your calendar events with below simple steps.
Step 1. Launch PhoneRescue – iOS Data Recovery on your computer > Connect your device to the computer via USB cable > Choose Recover from iOS Device mode > Click Right Arrow to proceed.
How to Recover Lost Calendar Events without Data Loss – Step 1
Step 2. Check Calendar only if you just want to recover calendar > Click OK button to scan your lost calendar events.
![Mac Mac](/uploads/1/3/3/9/133933951/128181427.png)
How to Recover Lost Calendar Events without Data Loss – Step 2
Step 3. Preview and select the calendar events you want to recover > Click To Device button to put selected calendar events back to your iPhone Calendar app directly, or you can click To Computer button to store them on your computer.
How to Recover Lost Calendar Events without Data Loss – Step 3
The Bottom Line
Hope the above possible solutions can help you successfully fix your iPhone X/8/7/6 calendar problems. If you have more good solution for iPhone/iPad calendar problems, just share them in the comment section to help more people who have the same trouble with you.
Calendar User Guide
If you publish or share calendars, you may want to refresh them so that others can see your latest changes. Or, if you subscribe to calendars, you may want to check for updates periodically to be sure you have the latest information.
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A published or shared calendar has a Share Calendar button next to its name. A calendar you subscribe to has a Subscription button next to its name.
Refresh calendars
- In the Calendar app on your Mac, choose View > Refresh Calendars.
Refresh a subscribed calendar
Subscribed calendars can be refreshed automatically.
- In the Calendar app on your Mac, Control-click the calendar’s name, then choose Get Info.
- Click the Auto-refresh pop-up menu, then choose an option.
Refresh shared calendars in an account
- In the Calendar app on your Mac, choose Calendar > Preferences, then click Accounts.
- Select the account, click the Refresh Calendars pop-up menu, then choose an option.If you choose Push, the account is updated automatically when you make a change on any of your devices that use the same account, or when someone makes a change to a shared calendar in that account.
Refresh a calendar you publish
![Mac Mac](/uploads/1/3/3/9/133933951/925952631.png)
- In the Calendar app on your Mac, Control-click a calendar below On My Mac in the calendar list.If you don’t see the calendar list on the left, choose View > Show Calendar List. If your calendar list doesn’t have an On My Mac section, your calendars are in an account, such as iCloud.
- Choose Get Info, then select “Publish changes automatically.”
If you see a warning symbol next to a calendar you published, shared, or subscribed to, Calendar is unable to connect to the calendar account. Check your internet connection and try refreshing or updating the calendar again.
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Also, make sure the calendar hasn’t been deleted or moved. To see the calendar’s web address, Control-click the calendar’s name, then choose Get Info.
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