Download Facebook For Blackberry Torch 9800
Step 1: Move your finger left on the display to open the major menu. Tap BlackBerry World.
Step 2: Tap Search.
Step 3: Key in Facebook and touch Search.
Step 4: Tap Facebook.
Step 5: Tap Download. Wait a minute while the application is installed.
Step 6: Glide your finger up the screen starting from the bottom side of your smart phone to return to standby mode.
I hope the above brief tutorial could aid you. Thanks.