Nokia SGH-D830 - Manual (Page 96)

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Menu functions
Security (Menu 9.8)
Use this menu to protect the phone against
unauthorised use by managing the several
access codes of your phone and SIM card.
PIN check (Menu 9.8.1)
The 4- to 8-digit PIN (Personal Identification
Number) protects your SIM card against
unauthorised use. When this feature is
enabled, the phone requires your PIN each
time it is switched on.
Change PIN code
(Menu 9.8.2)
Use this menu to change your PIN. The PIN
check feature must be enabled to change
the PIN.
Phone lock
(Menu 9.8.3)
Use this menu to lock the phone from
unauthorised use.
When this feature is enabled, you must
enter a 4- to 8-digit phone password each
time the phone is switched on.
The password is preset to 00000000. To
change the password, use the Change
password menu.
Change password
(Menu 9.8.4)
Use this menu to change your phone
password.
Privacy
(Menu 9.8.5)
Use this menu to lock access to messages,
media files, all menu functions on the
phone, except for call functions.
When a privacy option is enabled, you must
enter the phone password to access the
locked items or functions.
SIM lock
(Menu 9.8.6)
This menu allows your phone to work only
with the current SIM by assigning a SIM lock
code. You must enter the SIM lock code to
use a different SIM card.
If you enter an incorrect PIN/PIN2 three
times, the SIM card is blocked. To unblock it,
you need to enter your PUK/PUK2 (Personal
Unblocking Key). The codes are supplied by
your service provider.