Calendar events missing after update, not using iCloud
Just updated and my calendar events are gone. I have been able to retrieve birthdays, but that’s it.i don’t use iCloud. How can I get my information back?
You are not the first one having this issue with iOS 27.2. I've seen other users using the "On my iPhone" location (instead of iCloud) losing their events with this update.
I've reported the issue to Apple. Please also submit a report so that this issue gains visibility: Feedback - Calendar - Apple.