I have an iPad which I got from my mother. For the store, it's my own email. But for iCloud, it's her old email she doesn't use anymore. Everytime I want to sign out of her email, I can't get the password correct. If I want to reset it, then it tells me that that email isn't an existing Apple ID. Help?
Read more: https://ipadget.com/talk/how-to-sign-out-of-an-apple-id-that-doesn-t-exist.html