My iphone 11 Pro Max Calendar has stopped scrolling

Hello knwts,

Welcome to Apple Support Communities! We understand you're having trouble scrolling up or down when viewing a day in your calendar. We're happy to assist you with this.

Let's completely close the Calendar app and restart the iPhone again: Close an app on your iPhone or iPod touch - Apple Support

If the issue persists, let's remove the calendar and add it back. Make sure your iPhone has an updated backup first:

How to back up your iPhone, iPad, and iPod touch - Apple Support

To remove the calendar, open the Settings app > tap Calendar > Accounts > select the calendar you're having trouble with > select Calendars to remove it.

If this is an iCloud Calendar, once you get to Accounts > select iCloud > turn off Calendars.

Once you've turned it off. Restart the iPhone again and repeat the steps to add the calendar back.

Let us know if the issue persists.

Best Regards.

Hi knwts,

Thanks for the update. Since your issue persists, we recommend you Contact Apple for support and service.

Take care.