Each BlackBerry device is preloaded with Yahoo! Messenger. The application allows users to chat with friends and families in real-time. You can even send files that are saved on your BlackBerry device to contacts on your messenger list. Before using Yahoo! Messenger on your BlackBerry, you must enable the application. Enabling the application ensures that you are able to successfully log in without experiencing any issues that may be related to the settings on your phone.
Press the “Menu” key on your BlackBerry phone and click “Options.” Scroll down to “Applications” and press the trackpad.