Hi Apple
My Daughter's Apple ID was added with the wrong date of birth. She has just turned 17 and I want her to be able to use Apple Pay. How can I change her date of birth or add a new apple id and delete the old one?
This is primarily a user-to-user support forum; other Apple users like you.
See the information in Update the date of birth that's associated with your Apple ID – Apple Support (UK)