Facebook for Blackberry 8520 Curve Free Download
Step 1: Slide your finger left on the display screen to open up the main menu. Tap BlackBerry World.
Step 2: Faucet Search.
Step 3: Key in Facebook and tap Search.
Step 4: Faucet Facebook.
Step 5: Tap Download. Wait a moment while the application is installed.
Step 6: Slide your finger up the display screen starting from the bottom side of your smart phone to return to standby mode.
I hope the above short tutorial could aid you. Thank you.