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Just connect your device to your computer, launch iTunes (if it doesn’t launch automatically) and click the Device icon that appears to the left of the iTunes window beside the category menu. You don’t actually have to back your devices up to iCloud, though it is convenient on older Macs and PCs you can back up via iTunes instead. To reduce the amount of iCloud storage consumed by iCloud backups, you can back up your iOS device(s) to a Mac or PC and delete existing backups you may have created from iCloud. If you back up iOS device(s) to iCloud, you'll soon hit problems if you try to stay under the 5GB storage limit. In both cases you’ll see how much storage you’re using, what items are using it (for example, Photos, Docs, Mail or Backup), and where to enable and disable online storage for various applications and Apple services. In macOS: Access System Preferences>iCloud and choose the " Manage." option at the bottom right of the window. You can also delete stored data for each app or service, but don’t do so until you have first backed up that information elsewhere.
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Tap Manage Storage to reach a page listing every item storing data in your iCloud (it also tells you how much data each item uses there). You should see a chart detailing how you are using iCloud storage. In iOS: Tap the top (Apple ID) section in Settings. It’s easy to figure out how much iCloud storage you are using.
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It also provides News, Music, TV+, Arcade, and Fitness+ and services can be shared with up to five others.
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