Motorola V540 Owner's Manual page 82

Security
Feature
SIM PIN
Lock
Application
Certificate
Management
80
Description
Lock or unlock the SIM card:
M > Settings > Security > SIM PIN
Caution: If you enter an incorrect
PIN code 3 times in a row, your
SIM card is disabled and your
phone displays SIM Blocked .
Lock phone applications:
M > Settings > Security
> Lock Application
Certificates let your phone verify
the identity and security of Web
sites when you download files or
share information.
Enable or disable security
certificates stored on your phone:
M > Settings > Security
> Certificate Mgmt