There are a variety of ways to back up an iPhone. You can use iCloud, iTunes, or a third-party app.
iCloudis a built-in service that backs up your iPhone automatically. To use iCloud, you must create a free Apple ID. iCloudbacks up your device every day when it’s connected to a Wi-Fi network and the battery is at least 50% charged.
iTunes is a desktop app that can be used to back up your iPhone. To use iTunes, you must …
