You can download instant messaging apps for your BlackBerry smartphone from the BlackBerry App World storefront. By default, your smartphone comes with BlackBerry Messenger. You can use BBM to chat with people who have a BlackBerry smartphone by sending and receiving messages and files. You can also change your status and display picture. With the BlackBerry Groups feature of BBM, you can share pictures, lists, appointments, and more.
You must have a wireless service data plan to use these apps. Depending on your wireless service provider or organization, some apps or features might not be supported.
For more information about BBM and other instant messaging apps, visit www.blackberry.com/support. If you need help using an instant messaging app, you can find answers in the app by pressing the key and clicking Help on your smartphone.