To begin, open the Facebook Messenger app on your device. This can be done by tapping the Messenger icon on your home screen or app drawer. Once the app is open, tap on your profile picture icon ...

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

Before you can send money on Facebook, you'll have to input either your debit card, credit card, or PayPal information.