There are various reasons why you might need to delete your iPhone contacts like nonexistent numbers, and many other privacy or security issues. Naturally, it's easy to erase or delete contacts from your iPhone. But the real challenge comes when you don't need to remove 10 or 50 contacts, but hundreds of them. It seems that you have successfully deleted your contacts from the iPhone. However, believe it or not, these deleted contacts can still be recovered by other people who use special data recovery software.
Let us now learn the solutions to permanently delete contacts on iPhone XS/X/8/7/6 Plus/6/5S/5C/5/4S/4 with ease.