How to Unblock a Phone Number on Your iPhone<img style="float: left; margin-right: 10px" src="
">
Blocking a phone number or email address on iOS prevents the number from contacting you by phone, FaceTime, or text message. It’s easy enough to block a number in iOS 10. Some apps now even let you block spam numbers or numbers without caller ID automatically. Unblocking a number, though, is a different story especially if you can’t remember the contact.
Continue reading <span class="meta-nav">→</span>Source:
How to Unblock a Phone Number on Your iPhone