Updated email on apple ID without access to old email
My daughter would like to change the email on her apple ID but we no longer have access to the old email to verify. How can we update the email address?
See if anything here helps. Note the restrictions in the article.
Make sure you turn of Find My Phone before signing out of the old ID. Once signed out and Find My Phone is off, then sign in with the new ID, then turn Find My Phone back on.
What to do after you change your Apple ID or password - Apple Support * I suggest doing this before you change your Apple ID or password.