Tools/materials: iPhone 1 1, iOS 14.4, JD.COM 9.4.4.
1. Open the JD.COM application on your phone.
2. Log in to JD.COM account and click "My" in the lower right corner.
3. Click the gift card option in the interface.
4. Click the option below to bind the new card.
5. Enter a valid electronic card key, and then click the Bind button.