Nokia Lumia 920 User Manual page 106

PIN code
(4-8 digits)
PUK
Security code (lock code, password)
(min. 4 digits)
IMEI
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This protects your SIM card against
unauthorised 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 you forget the code or it isn't supplied with
your card, contact your network service
provider.
If you type in the code incorrectly 3 times in a
row, you need to unblock the code with the PUK
code.
This is required to unblock a PIN code.
If not supplied with your SIM card, contact your
network service provider.
This helps you protect your phone against
unauthorised 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 on
your phone may be deleted.
For more information, contact Nokia Care or
your phone dealer.
This is used to identify phones in the network.
You may also need to give the number to Nokia
Care services.
To view your IMEI number, dial *#06#.
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