Deleting Apple ID to add my own after buying a phone
How can I delete an old owners Apple ID and add my own
iPhone 8, iOS 15
Question marked as
You cannot, it must be done by the Apple ID owner. You’ll need to contact the previous owner and have them follow the steps “If you no longer have your iPhone or iPad“ at What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support