My child is current listed as an adult, how do I change the birthday
My child is currently listed as an adult. How do I change the birthday so that he appears as a child?
My child is currently listed as an adult. How do I change the birthday so that he appears as a child?
Follow the steps in the support document provided by Raicya above, from a device that is logged into the account who's birthdate you want to change. "Update the birth date associated with your Apple ID - Apple Support"
See -> Update the birth date associated with your Apple ID
Update the birth date associated with your Apple ID - Apple Support
How do I change the birthdate of someone in my family plan?
My child is current listed as an adult, how do I change the birthday