How can I downgrade storage plan
How can I cancel an apple storage plan that charges me monthly
iPhone 13 Pro Max, iOS 15
Question marked as
See the instructions in Downgrade or cancel your iCloud+ plan - Apple Support including the following if necessary:
If you can't click Done, make sure you are signed in with the same Apple ID as your iCloud storage plan. You can also try following these steps on a different device. If you still need help, contact Apple Support.