If you use an iPhone, iPad, or Mac, your iCloud account quietly does a lot of work in the background. Many users ask how iCloud actually handles photos, contacts, and backups, and what happens when you switch or upgrade devices. Here’s a simple breakdown. An iCloud account is linked to your Apple ID and connects all your Apple devices to Apple’s cloud servers. Once iCloud is enabled, selected data automatically syncs and updates across devices signed in with the same account. This means you don’t have to manually transfer important information. Read more - https://www.1000rr.co.uk/threads/how-do-icloud-accounts-work-for-photos-contacts-and-backups.720067/