Security Lock (SL) protects your phone against unwanted access. This quality app offers excellent value for money, giving you the power to password-protect your BlackBerry and applications that contain sensitive personal data or important information. For full protection, SL’s safety mechanisms ensure that no one can go around by restarting your phone or installing a new SIM card. Security Lock is a must-have app: With SL you can stop curious friends or intruders from spying on your phone.