The security code used when adding a credit card to the Apple ID payment method is the last 3 digits on the back of the credit card.

The specific operation method is as follows:

First, on the iOS device, open the App Store application that comes with it. At the bottom of the recommended product page, find your personal Apple ID and click on it. , select View Apple ID in the pop-up prompt box, and then enter the password of your personal Apple ID.

After successfully logging in, click to enter the payment information, and then you will see the new payment method "UnionPay? UnionPay". After selecting UnionPay, enter the UnionPay card number below (note that domestically issued credit cards or savings All cards can be bound, and the system will automatically identify the card type), and then a small UnionPay logo will appear in the upper right corner of the card number, which means the card has been successfully recognized. You need to fill in some relevant personal information below. Of course, if it is bound to a credit card, you need to fill in additional information such as card number, security code, and expiration date.

After filling in the relevant information, you will receive a verification text message from the bank. Note: There is no need to activate online banking for the bank card, but the mobile phone number must be consistent with the one registered with the bank.

After verification, the binding is successful. ?

Extended information:

Apple ID is an Apple account, also known as Apple ID. It is the authentication introduced by Apple for its products (such as iWork, iTunes Store and Apple Store) system. Apple ID serves as an all-in-one account that allows users to access various Apple resources. Because an Apple ID can be used for multiple products and services provided by Apple, it can also be called an Apple account, MobileMe account, Mac account, iTunes Store account, and iChat account.

An Apple ID is the login information you use to do everything you do with Apple, including using iCloud to store content, downloading apps from the App Store, and purchasing songs, movies, and TV shows from the iTunes Store.

Apple ID requires an email address and a password. Users can easily download, install and update software in the App Store on the iPhone, and can also perform binding payment functions.

Reference: Baidu Encyclopedia-Apple ID