itunes family member age changing
My kids age is looking wrong on itunes family member. How can I change? Real age is 9 but looking 11 Months.
iPhone 5, iOS 8.2
You can't change the birthdate - you will either have to leave it as it is or remove that account from the family and create a new account for him/her
Family Sharing and Apple IDs for kids - Apple Support :
The birthday for a child's account can't be changed after the account is created.