Functions Without A Sim Card - Nokia 1680 Classic Manual Del Usuario

To answer a call when the keyguard is locked, press the call
key. When you end or decline the call, the keypad remains
locked. To unlock, select Unlock and press * quickly.
TO set the keypad to lock automatically after a preset time
delay when the phone is in the standby mode, select
Menu > Settings > Phone > Automatic keyguard > On.
To answer a call when the keypad is locked, press the call
key. When you end or decline the call, the keypad
automatically locks.
When the device or keypad is locked, calls may be possible
to the official emergency number programmed into your
device.
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Functions without a SIM card

Some functions of your phone may be used without
inserting a SIM card, such as Organizer functions and
games. Some functions appear dimmed in the menus and
cannot be used.
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