Apple giftcard
Why can’t I utilize my apple giftcard after I have taken a picture of the code and verified that I have the funds on my phone
iPhone 12, iOS 14
This article explains the different kinds of cards Apple uses and has links on how to redeem them and what can be purchased with each kind. Click on the link --> What type of gift card do I have? - https://support.apple.com/HT204199
If you still have problems then you need to provide a more detailed description of what you are trying to do and why you cannot do it, including error messages.