How to change payment method to apple giftcard to pay for music subscription

Please add your gift card to your Apple ID Account. The support article linked below has instructions for adding gift cards to your account.

How to redeem your Apple Gift Card or App Store & iTunes gift card - Apple Support

>>Redeem a gift card with your iPhone, iPad, or iPod touch

1. Find the 16-digit code on the back of the card. For some gift cards, you might need to peel or gently scratch off the label to see the code.
2. On your iPhone, iPad, or iPod touch, open the App Store app.
3. At the top of the screen, tap the sign-in button  or your photo.
4. Tap Redeem Gift Card or Code. If you don’t see Redeem Gift Card or Code, sign in with your Apple ID.
5. Tap Use Camera and follow the instructions on the screen. If you have trouble redeeming the card, tap Enter Code Manually, then follow the instructions on the screen.
6. Tap Done.

Can't redeem your gift card?

In the United States, when you redeem a gift card to your Apple Account balance, the balance might appear in Apple Wallet.

Learn more about using Apple Wallet.<<