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LauraRest
User level: Level 1 (4 points)

How do I fix calendar events from years ago after updating to iOS 27.0.1?

I updated to IOS 27.0.1 yesterday morning and my calendar events disappeared. The calendar is now displaying events from years ago in the current calendar. Very weird. Should I suspect that something went wrong when doing the update? And a note, I was very close to full storage on my phone at the time. Thanks!


[Re-Titled by Moderator]

Original Title: Calendar Issues

Posted on Oct 22, 2026 7:28 AM

2 replies

WheelieNick
User level: Level 9 (74,110 points)

Oct 23, 2026 8:01 AM in response to LauraRest

hi there


Please try this


  1. Restart Your iPhone
    • Turn your phone off and back on to clear temporary system glitches and restart background sync services. 
  1. Toggle iCloud Calendar Sync Off and On
    • Go to Settings > [Your Name] > iCloud > See All > iCloud Calendar.
    • Turn Use on this iPhone off (choose "Delete from my iPhone" when prompted—your data is still safe in iCloud), restart your phone, and turn it back on. 
  1. Refresh the Calendar App
    • Open the Calendar app and tap Calendars at the bottom.
    • Swipe down on the list to force a refresh.
    • Make sure all the correct calendar categories (like iCloud, Gmail, or Outlook) have a checkmark next to them. 


LauraRest Author
User level: Level 1 (4 points)

Oct 23, 2026 9:17 AM in response to WheelieNick

Not helpful. Didn't fix the problem. But thanks.

Originally posted at discussions.apple.com/thread/256380903