The "Lock" key on the BlackBerry Bold keyboard allows you to lock and unlock your smartphone. Press "Lock" once to lock the phone, then press "Lock" again to unlock the phone. Some people choose to lock or unlock these phones with a password as well.Continue Reading
Find the "Lock" key on your BlackBerry Bold. This key is located at the top-right of the phone.
Press the lock key to unlock your phone if it is already locked. If the phone is not currently locked, pressing the "Lock" key causes it to lock.
Click the icon on the home screen that looks like a lock. Doing this also locks your phone. However, it locks your phone in a more sophisticated manner, since the phone will require you to enter your password to unlock it.
Type in your password with the phone's keyboard, then press the "Enter" key on the keyboard to unlock the phone. Once your phone is unlocked, you are free to use the touchscreen and the keyboard. Having the lock in place allows you to avoid accidentally calling someone or doing other things on your phone that you didn't intend.