Nokia 5100 User Guide - Page 12
General information, Access codes - specification
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General information ■ Access codes For specific settings of Access codes, see Security settings on page 74. • Security code (5 to 10 digits): The security code protects your phone against unauthorised use, and is supplied with the phone. The preset code is 12345. Change the code, and keep the new code secret and in a safe place separate from your phone. • PIN code and PIN2 code (4 to 8 digits): The PIN (Personal Identification Number) code protects your SIM card against unauthorised use. The PIN code is usually supplied with the SIM card. The PIN2 code may be supplied with the SIM card and is required to access some functions, such as charging unit counters. If you key in an incorrect PIN code three times in succession, the phone may display PIN code blocked and ask you to key in the PUK code. Contact your service provider to get the PUK code. • PUK and PUK2 codes (8 digits): The PUK (Personal Unblocking Key) code is required to change a blocked PIN code. 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. Copyright © 2003 Nokia. All rights reserved. 12