How to unblock a phone number or email address on iPhone and iPad

1. Launch the Settings app from your Home screen.
2. Tap on Phone, Messages, or FaceTime. Any one of these three sections will work.

3. Tap Call Blocking & Identification if you chose Phone. Tap Blocked if you chose Messages or FaceTime.

   

4. Tap Edit in the upper right corner of your screen.
5. Tap the minus button (red circle) next to the number or email address you'd like to unblock.

6. Tap Unblock.

   

You can also swipe left on the number or email address you'd like to unblock and tap Unblock that way.