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Nokia 3100 and Nokia 3120 User Guide 27 Copyright © 2004 Nokia
Phone security
8 Phone security
• LOCK THE KEYPAD
(KEYGUARD)
Keyguard disables your keypad to prevent
accidental key presses (for example, when your
phone is in your pocket or purse).
• To lock the keys, select Menu
and press the
Star key.
• To unlock the keys, select Unlock and press
the Star key.
When the Keyguard is enabled, the keypad and
display cannot light if you press a key. Press the
power button briefly to activate the keypad and
display lights.
Note: When the Keyguard is on, calls still may be possible to the official
emergency number programmed into your phone. Enter the emergency
number and press the Talk key.
Automatic Keyguard
You can have your phone automatically lock the keys after a time you specify. See
“Set automatic Keyguard” on page 63 for more information.
• SECURITY LEVELS
The security level determines your access to features when a nonowner SIM card
is used. A nonowner SIM card is one (other than the original) that is inserted after
you power off the phone. There are three security levels:
• Off—Owner and Nonowner cards are treated the same.
• Memory—Nonowner cards can access SIM memory. Any changes to the
memory setting requires the security code. The owner card has access to all
features, but the security code is required to change a memory setting.
• Phone—The security code is required upon power-up.
Use this procedure to set your security level.
1 Select Menu > Settings > Security settings > Security level.
After a brief pause, you are prompted to enter the security code. The default
code is 12345.