Nokia Lumia 521 User Guide - Page 99

Access codes, separate from your phone.

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Access codes Ever wondered what the different codes on your phone are for? PIN code (4-8 digits) This protects your SIM card against unauthorized use or is required to access some features. You can set your phone to ask for the PIN code when you switch it on. If not supplied with your card or you forget the code, contact your network service provider. If you type in the code incorrectly three times in a row, you need to unblock the code with the PUK code. PUK This is required to unblock a PIN code. If not supplied with your SIM card, contact your network service provider. Security code (lock code, password) (min. 4 digits) This helps you protect your phone against unauthorized use. You can set your phone to ask for the lock code that you define. Keep the code secret and in a safe place, separate from your phone. If you forget the code and your phone is locked, your phone will require service. Additional charges may apply, and all the personal data in your phone may be deleted. For more information, contact Nokia Care or your phone dealer. IMEI This is used to identify valid phones in the network. The number can also be used to block, for example, stolen phones. You may also need to give the number to Nokia Care services. To view your IMEI number, dial *#06#. © 2013 Nokia. All rights reserved. 99

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Access codes
Ever wondered what the different codes on your phone are for?
PIN code
(4-8 digits)
This protects your SIM card against
unauthorized use or is required to access some
features.
You can set your phone to ask for the PIN code
when you switch it on.
If not supplied with your card or you forget the
code, contact your network service provider.
If you type in the code incorrectly three times in
a row, you need to unblock the code with the PUK
code.
PUK
This is required to unblock a PIN code.
If not supplied with your SIM card, contact your
network service provider.
Security code (lock code, password)
(min. 4 digits)
This helps you protect your phone against
unauthorized use.
You can set your phone to ask for the lock code
that you define.
Keep the code secret and in a safe place,
separate from your phone.
If you forget the code and your phone is locked,
your phone will require service. Additional
charges may apply, and all the personal data in
your phone may be deleted.
For more information, contact Nokia Care or
your phone dealer.
IMEI
This is used to identify valid phones in the
network. The number can also be used to block,
for example, stolen phones. You may also need
to give the number to Nokia Care services.
To view your IMEI number, dial
*#06#
.
© 2013 Nokia. All rights reserved.
99