Apple has a way to delete an old Apple ID. To do this, you need to go to the Apple website and click on the “My Account” link. Then, you will need to enter your old Apple ID’s username and password. After you have entered these information, you will need to click on the “Delete” button.
You can’t quit or remove an account without knowing the password. That is a typical safeguard against hackers and identity theft. As a result, you’ll have to reset the password first.
Turn off your iPhone, iPad, or iPod touch. After you’ve done that and turned it on again for the second time, try logging out of iCloud and the iTunes & App Store. If you’re using iOS 10.3 or later, go to Settings > [your name]. Select Sign Out from the drop-down menu. Then select Off
How to Remove Your Apple ID Account On the site, select a different email address, then click Change your contact information. If you use an iPhone or iPad with iOS 10 or later, go to Settings -> Select a new email address and then change your contact information on the site. Go to Settings on an iPhone or iPad with iOS 10 or newer and.
When you delete your account, all of the data that has been synchronized with iCloud will be erased from the device (but not from iCloud), and it will be synced back to it when you log in again. iTunes is a separate software program; therefore, you must log out of your iTunes account separately.
I gave the phones out only to be told by a friend that, while erasing all data and settings does remove the Apple ID from the device, it does not erase any information or settings on the phone.
