What is backup in iCloud?
iCloudbackup is a service that helps you back up your data to Apple’s iCloudservers. This includes things like photos, contacts, calendars, notes, and app data.
iCloudbackup is turned on by default, and it’s a good idea to leave it enabled. That way, if something happens to your device, you can restore your data from iCloud.
To back up your data using iCloud, go to Settings iCloudBackup. Make sure that iCloudBackup is turned on, and …