Q:"Calendar events disappeared from my iPhone 8 plus. How do I fix and keep from happening again?" - Sprat from Apple Support Community

The loss of iPhone calendar events can suddenly upset your schedule, making the memos you created, the birthday reminders you set up or more important records are gone. Like Sprat, you may also be looking for ways to fix the calendar events' sudden disappearance or even to recover important items that have been lost. To help you out, this article specially introduces following listed 7 tips.

Part 1. 6 Common and Basic Solutions to iPhone Calendar Events Disappeared


For iPhone calendar not saving events or iPhone calendar disappeared issues, you can first try six general and simple ways below to have a quick repair. All of them can be done by you straightly without relying on any other tools.

#1 Turn on iCloud Calendar Sync

For those users like to use iCloud to sync calendar related data, enabling Calendar Sync function in iCloud settings is critical. To do it, you can go ahead to "Settings" on iPhone > [Your Name] > "iCloud" and locate at "Calendars" to switch it on. If you've turned this option on previously, you can also simply turn off and toggle on again to fix the problem.
turn on icloud calendar iphone

#2 Sync All Events for Calendar

Suppose you are in a situation where you update, reset or restore your iPhone, the settings for your Calendar app are likely reset, which possibly stop old calendar events from syncing. In this case, what you ought to do is go to "Settings" > "Calendar" > "Sync" > "All Events". Next, exit Settings to open Calendar app. After access it, find and click on "Calendars". Just pull down the list to have a refresh and wait to see whether your disappeared calendar events are gone back.
sync all events calendar iphone

#3 Restart iPhone

Your iPhone tends to go wrong or the system is easy to crash if you have not reboot it for a long time. You are supposed to restart or hard reset it, especially when there is a major operation, like upgrade, or some errors occur. As a result, you can quickly "slide to power off" or hold both Home and Power/Sleep buttons to force restart.
restart iphone

#4 Check Data & Time Setting

Given the tight relationship between calendar events and Data & Time, you should also check and reset it on your iPhone when data loss exists. It's pretty easy. You just need to open "Settings" and go to the "Data & Time" to correctly set Time Zone under "General" section.
set data and time

#5 Reinstall Calendar App

It's not likely but it also occurs that iPhone Calendar app gets deleted on iOS 10 and later. If you also go into such a bad case or just accidentally delete your built-in Calendar app to cause calendar events disappeared, you are suggested to install it again. Simply go forward to App Store and enter "calendar" in the search bar to redownload and reinstall.
install calendar iphone

#6 Check Network Status

Considering you are using the common iCloud calendar or other online cloud calendar service, you'd better make sure you have connected your iPhone to a stable and strong network without problem. Just check the cellular data and WIFI to guarantee your calendar events can be synced normally.
wifi network

Part 2. How to Recover Disappeared iPhone Calendar Events

Just in case, all the aforementioned basic solutions don't work. What you can lastly adopt is an advanced and professional approach - finding and recovering the disappeared calendar events with Joyoshare iPhone Data Recovery.

It can wonderfully recover from various data loss situations, such as iOS update, factory reset, water damaged, virus attack, mistaken deletion, system crash, etc. What's important is that its three recovery modes to recover from iDevice, iTunes and iCloud backups dramatically increase the success rate. Also, it allows you to preview and selectively choose calendar events to restore.

Key Features of Joyoshare iPhone Data Recovery:

Offer free option to scan and preview from iPhone, iPad and iPod

Support extracting from encrypted iCloud and iTunes backups

Be compatible with iPhone 11 Pro/X/8 running in iOS 13 even

20+ recoverable data types: calendars, photos, videos, notes, etc.

joyoshare disappeared iphone calendar events recovery