Owners of iPhones running on iOS 8 and earlier will soon lose the ability to use iCloud device backups, unless they update to iOS 9 or later.

Starting next month, making a device backup over iCloud will require iOS 9 or later, Apple has informed some customers via email. New backups

Apple has started notifying users running older software about a very compelling reason to update. iCloud backups will soon stop working—and even be deleted—on devices running iOS 8 and prior. Devices running old software will need to update or use ...