Blackberry Facebook App Download
Step 1: Move your finger left on the screen to open the primary menu. Tap BlackBerry World.
Step 2: Tap Search.
Step 3: Key in Facebook and also tap Search.
Step 4: Tap Facebook.
Step 5: Faucet Download. Wait a moment while the application is installed.
Step 6: Move your finger up the screen starting from the bottom edge of your smart phone to go back to standby setting.
I hope the above short tutorial can aid you. Thanks.