Samsung D900 User Guide - Page 38

Menu functions Menu Security → Phone lock Security → Change password Security → Privacy Security → SIM lock Description Activate your phone password to protect your phone against unauthorised use. Change the phone password. Lock access to call records, contacts, messages, or files on the phone. Set the phone to work only with the current SIM card by assigning a SIM lock password. 36 Menu Security → FDN mode Security → Change PIN2 Security → Mobile tracker Description Set the phone to restrict calls to a limited set of phone numbers, if supported by your SIM card. Change your current PIN2, if supported by your SIM card. Set the phone to send the preset tracking message to your family or friends when someone tries to use your phone with another SIM card. This feature may be unavailable due to certain features supported by your service provider.