Updating credit card information in itunes
If you don’t know how to perform this important change, read the instructions below where is step by step described the process of credit card number change for your current Apple® ID.
You will need to know how to update i Tunes payment information on your i Phone if you are getting a notification that your credit card is about to expire, or if you want to make a purchase on your device, but you do not yet have a credit card attached to your Apple ID.
Step 3: Select your Apple ID at the top of the screen. Step 5: Enter your Apple ID password, then touch the OK button. Step 7: Enter your credit card information, then touch the Done button at the top-right of the screen.
Do you have an i Tunes gift card that you want to use?
Your card details are linked to your Apple ID, and you can change or remove your Apple ID payment information directly on your i Phone or i Pad, or by using i Tunes on your Mac.