Additional storage for icloud
What will happend if you cancel the plan? I mean if I purchase 50 GB additional and after few months I want to cancel it, what will happend to my storage capacity?
iPhone 6s, iOS 13
See the following from Downgrade your iCloud storage - Apple Support
If you downgrade or cancel your plan and your stored iCloud content exceeds your available storage, some of your data will not be uploaded into iCloud. Learn how to manage your storage by deleting information that you don't need anymore.
If you downgrade to the free iCloud Storage plan, you'll have 5GB of storage.