IOS calendar doesn’t sync in background

icalicloudios

The iOS calendar app doesn't sync iCloud calendars anymore.

Example: I add calendar events on a mac, which uses the same iCloud calendars, and add a notification for in 5 minutes. In the past, my iPhone would notify me about this event though the set notification. This doesn't happen anymore as I now have to manually open the calendar app on my iPhone in order to make it sync the calendar events.

How can I fix this?

Best Answer

So the actual solution was to go to:

Settings > Calendars > Accounts > Fetch New Data > [My Account name] >and here tap on "Push".

Selecting "Push" in Settings > Calendars > Accounts > Fetch New Data was not enough.

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