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 keyguard is on, 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. 46.
When the keypad lock is on, calls may be possible to the official emergency number
programmed into your device.