iPhone 11 calendar sync issue after battery replacement

after changing batteries on 2 iphone 11s Calendars will not sync.. entered data on one calendar does not show on same calendar on 2nd phone

[Re-Titled by Moderator]

Original Title: Calendar help needed

iPhone 11, iOS 18

Posted on Sep 11, 2025 7:06 AM

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iPhone 11 calendar sync issue after battery replacement

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