How do I switch credit cards on my apple bill

To add a payment method, go to:

Settings → Apple ID → Media & Purchases → View Account → Manage Payment

Select Add Payment Method. Once your new payment method has been added, you can delete the old one.

You can find more useful information here:

Add a payment method to your Apple ID - Apple Support

Click here, follow the instructions, and see the Learn More section.

(236032)