Your Apple ID is the account you use for all Apple services.You need a valid client ID to authorize your iOS device with Apple services. One of the smartest things you can do is back up your files so that they’re. But like all other types of technology, they can fail. Your Apple ID is the account you use for all Apple services.Your Apple ID is the account you use for all Apple services.Apple computers are fun and easy to use, and they have tons of capabilities.