Birthday
my son put an invalid birthday on his phone I’m trying to correct it but it won’t let me
iPhone 14, iOS 16
Question marked as
Top-ranking reply
Read this support article about how to update the birth date associated with an Apple ID: Update the birth date associated with your Apple ID - Apple Support
There's different ways to change the age on an account depending upon the age of the person, their target age, and the country's age definition of "child".