Nokia Lumia 900 User Manual page 82

PUK
Security code (lock code, password)
(min. 4 digits)
IMEI
© 2013 Nokia. All rights reserved.
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 in
your phone may be deleted.
For more information, contact Nokia Care or
your phone dealer.
This is used to identify valid 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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