About Facebook for BlackBerry devices
You can use Facebook® for BlackBerry® devices to stay connected with your friends. You can send messages to friends, chat with your friends, invite new friends, view notifications, upload pictures to your Facebook® account, and more. You can upload pictures from the media application or picture attachments. If your BlackBerry device has a camera, you can also upload pictures that you take with the camera.
If you already have a Facebook account, you can use your existing login information to log in to Facebook for BlackBerry devices. To get a Facebook account, visit www.facebook.com.