How to Move from One Apple ID to Another
My wife and I use the same Apple ID on our separate iPhones. How can she disconnect from using that ID and establish her own?
My wife and I use the same Apple ID on our separate iPhones. How can she disconnect from using that ID and establish her own?
Your wife needs to sign out of all Apple features that uses that ID and then create a new one. If you are using the same iCloud ID for backing up delete the backup before proceeding:
How to Move from One Apple ID to Another