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iMore Question How do you backup the Iphone and how do you go and delete anything that's been backed up to make more available space?
There's a lot you can do. Keep music to a minimum, delete messages and email, delete unused apps, delete app cache. Each new back up in iCloud overrides the previous back up. Go to Settings >iCloud > backup > Toggle auto back up on. Then when your device is plugged in and asleep, it will back up automatically. Keep deleted photos deleted in the "deleted photos" album.