Apart from getting apps from the App Store, you cannot access many other Apple services and functions without your own Apple ID. So it is recommended to remove the old Apple ID from your second-hand iPhone. If you do not have the password for the Apple ID, how do you completely remove it from your iPhone? Listed below are some powerful methods for escaping trouble.
Learn more here: https://www.soldrit.com/blog/how-to-remove-apple-id-from-iphone-without-password/