â� Keypad lock (keyguard)
To prevent the keys from being accidentally pressed, select Menu, and press * within 3.5 seconds to lock the keypad. To unlock the keypad, select Unlock, and press * within 1.5 seconds. If the Security keyguard is set On, enter the security code if requested. To answer a call when the keyguard is on, press the call key. When you end or reject the call, the keypad automatically locks. For Automatic keyguard and Security keyguard. See Phone p. 72.
When the keyguard is on, calls still may be possible to the official emergency number programmed into your device.
