How to Change Default Email Address On iPhone
If your email address ends with @icloud.com, @me.com, or @mac.com, you can’t change your Apple ID to a third-party email address. You also won’t see Change Apple ID on your account page or the option to delete your email on your iPhone, iPad, or iPod touch with iOS 10.3 or later. How to change your Apple ID email address – Which Change your Apple security notification email. You'll only need to do this step if the security notification email account you've set up uses an old email address that you are closing down. On Apple's Manage My Account page, scroll down to the Security section and click on the Edit button. Scroll down to Notification Email and click Edit Email How to Change Your iCloud Email on iPhone and iPad
Change the default email account on iPhone - 9to5Mac
Can’t change iTunes Apple ID to iCloud e-mail address May 07, 2013
Dec 07, 2015
Nov 30, 2019 How to Change the Default Email Account on iPhone and iPad