Nokia 5500 Sport

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against unauthorized use. See “Security,” p. 64. The PIN code is usually 
supplied with the SIM card.
• The PIN2 code (4 to 8 digits) may be supplied with the SIM card and is required 
for some functions.
• The module PIN is required to access the information in the security module. 
The module PIN is supplied with the SIM card if the SIM card has a security 
module in it.
• The signing PIN is required for the digital signature. The signing PIN is supplied 
with the SIM card if the SIM card has a security module in it.
PUK codes
The personal unblocking key (PUK) code and the universal personal unblocking key 
(UPUK) code (8 digits) are required to change a blocked PIN code and UPIN code, 
respectively. The PUK2 code is required to change a blocked PIN2 code.
If the codes are not supplied with the SIM card, contact your local service provider 
for the codes.
Barring password
The barring password (4 digits) is required when using Call barring. See “Call 
barring,” p. 66. You can obtain the password from your service provider.
If you enter an incorrect barring password three times in succession, the password 
is blocked. Contact your service provider or network operator.
■ Nokia support and contact information
Check www.nokia.com/support or your local Nokia Web site for the latest version 
of this guide, additional information, downloads, and services related to your 
Nokia product.
On the Web site, you can get information on the use of Nokia products and 
services. If you need to contact customer service, check the list of local Nokia 
contact centers at www.nokia.com/customerservice.
For maintenance services, check your nearest Nokia service center at 
www.nokia.com/repair.
Software updates
Nokia may produce software updates that may offer new features, enhanced functions, or 
improved performance. You may be able to request these updates through the Nokia 
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