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■ Keypad lock (keyguard)
Select Menu or Unlock and then press the * key within 1.5 seconds to
lock or unlock the keypad.
If the security keyguard is activated, enter the security code if
requested.
To answer a call when the keyguard is on, press the call key or open
the phone. When you end or reject the call, the keypad automatically
locks.
For Security keyguard, see “Phone,” p. 61.
When the keyguard is on, calls still may be possible to the official emergency
number programmed into your device.
■ Functions used without a SIM card
Several functions of your phone may be used without installing a SIM
card (for example the data transfer with a compatible PC or another
compatible device). Some functions appear dimmed in the menus and
cannot be used.
For an emergency call, some networks may require that a valid SIM card is
properly inserted in the device.