Blocking a phone number or contact on your iPhone is easy to do, and it's equally easy to unblock that blocked number or contact should you need to.

You can unblock someone on the Instagram app from Settings or their profile, and they won't be notified.

You hate them. You hate them not. Here's what to do when you want to unblock them on your iPhone. There are plenty of good reasons to block someone on your iPhone. Maybe your ex broke your heart but ...