Open the Wallet app on your iPhone.
Tap the plus sign in the top-right corner.
Select Debit or Credit Card.
Tap Continue.
Choose Add a Different Card if needed.
Enter the Visa gift card details manually.
If prompted, scan the card with your camera.
Enter the cardholder name if required.
Enter the card number, expiration date, and security code.
Follow the verification steps if available.
Complete the setup.
If the card is not accepted, check whether the Visa gift card supports Apple Wallet or digital wallet use.