Keypad lock (keyguard)
To prevent accidental keypresses, 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 Security
keyguard is set to on, enter the security code if requested.
To answer a call when the keypad is locked, press the call key. When you end or reject
the call, the keypad automatically locks.
Further features are Automatic keyguard and Security keyguard.
See
"Phone," p. 33.
When the device or keypad is locked, calls may be possible to the official emergency
number programmed into your device.