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Access codes
35
©
2001 Nokia Mobile Phones. All rights reserved.
The data and fax connection works best when the car is station-
ary. Attempting cellular communication while in a moving ve-
hicle is not recommended. Fax transmission is more easily
impaired than data or short message transmission.
Check that the cellular signal strength on the handset display is
sufficient. If the cellular signals are not strong enough to sup-
port a voice call, data connection should not be attempted until
you can find a location with better signal reception.
Environmental impacts
Your car phone works in an temperature range between -20°C
and +60°C.
Access codes
You can use the access codes described in this section to pre-
vent unauthorised use of your phone and SIM card.
Your car phone may contain two different SIM cards. These
cards use different access codes. Remember to check which SIM
card is currently in use.
The access codes (except PUK and PUK2 codes) can be changed
by using the menu “4-3-5 Change access codes” on page 29. If
you want to change the codes of the second SIM card, you have
to change the priority of the card reader, see “4-2-7 SIM card
priority” on page 28, restart the car phone and change the codes
of the second SIM card.
Security code (5 digits)
The security code can be used to prevent unauthorised use of
your phone. The security code (factory setting: 12345) is usually
supplied with the phone.
Change the code, see “4-3 Security settings” on page 28, and
keep the code secret and in a safe place separate from the
phone.
PIN code (4 to 8 digits)
The PIN (Personal Identification Number) code protects your
SIM card against unauthorised use. The PIN code is usually sup-
plied with the SIM card.
PIN2 code (4 to 8 digits)
The PIN2 code, supplied with some SIM cards, is required to ac-
cess some functions, such as call cost limit. These functions are
only available if supported by your SIM card.
PUK code (8 digits)
The PUK (Personal Unblocking Key) code is required to change a
blocked PIN code. The PUK code may be supplied with the SIM
card. If not, contact your local service provider for the code. If
you lose the code, contact your service provider.