Make sure you have the latest version of iTunes installed, start it up, and plug your iOS device in.Here’s how to back up an iPhone, iPad, or iPod touch using iTunes: If you’d rather back up your device using a computer, iTunes has a built-in backup function. If you’re using iOS 10.2 or earlier, tap Settings > iCloud > Storage > Manage Storage and select your device from the list. To make sure that the backup completed, open Settings, tap on your name > iCloud > iCloud Storage > Manage Storage, and select you device.(If you’re using iOS 10.2 or earlier, tap Backup.) Make sure that iCloud Backup is turned on. (If you’re using iOS 10.2 or later, scroll down and tap iCloud.)

Open Settings, select your name, and tap iCloud.Connect your device to a Wi-Fi network.Here’s how to back up an iPhone, iPad, or iPod touch using iCloud: There are two ways to back up an iPhone, iPad, or iPod touch: Via iCloud, or via iTunes on a PC or Mac. That way if something goes wrong, it’s relatively easy to restore things to the way they were. Before you update to iOS 11, it’s a good idea to back up your device’s data.

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