Notification bug that let FBI access messages patched with iOS 26.4.2

People being investigated by the FBI deleted Signal, but some messages were still retrievable from the iPhone's notification database. The latest iOS update patches this vulnerability. iPhones may be secure, but they aren't invulnerable to bugs Users should reasonably expect that deleting an app from their iPhone will remove all associated data. However, a recent case involving the FBI showed that some notification data was being retained by mistake. The iOS 26.4.2 , iPadOS 26.4.2 , iOS 18.7.8,