Download Facebook For Blackberry Torch 9800
Step 1: Slide your finger left on the screen to open the primary menu. Tap BlackBerry World.
Step 2: Tap Search.
Step 3: Key in Facebook as well as tap Search.
Step 4: Faucet Facebook.
Step 5: Tap Download. Wait a minute while the application is installed.
Step 6: Slide your finger up the display screen starting from the bottom side of your mobile phone to go back to standby setting.
I hope the above brief tutorial could aid you. Thanks.