Debit card not working I don’t know why

Hello suzzy161,

We see that you've had a chance to review this article: Payment methods that you can use with your Apple ID - Apple Support

If you can't make purchases, you may need to update your payment method or add a new one. You can learn how to do that here: If you need to change or update your Apple ID payment method - Apple Support

You may find these steps helpful:

Update your payment method on your iPhone or iPad

1. Open the Settings app.

2. Tap your name.

3. Tap Payment & Shipping. You might be asked to sign in with your Apple ID.

4. Tap Add Payment Method, enter the new payment method, then tap Done.

5. Tap Edit.

6. Tap the red delete button next to the old payment method, then tap Delete.

Thanks.