I walk through how I use Facebook Messenger on my iPhone to chat with friends, send photos, and manage settings. I show how to send new messages, create group chats, and share pictures or voice ...

You can easily unblock someone on Facebook Messenger in the "People" preferences section of the app. Here's how to do it.

The only way to deactivate Messenger is to deactivate your Facebook account, but you can also disable Messenger by turning ...