Nokia MU-37 User Guide - Page 10

General information General information Access codes Lock code The lock code (5 digits) helps to protect your phone against unauthorized use. The preset code is 12345. You can change the code and set the phone to request the code. See Security in "General" p. 53. When the device is locked, calls may be possible to the official emergency number programmed into your device. PIN codes The personal identification number (PIN) code and the universal personal identification number (UPIN) code (4 to 8 digits) help to protect your SIM card against unauthorized use. See Security in "General" p. 53. 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 signing PIN is required for the digital signature. These PIN codes are 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 "Phone" p. 54. You can obtain the password from your service provider. If the password is blocked, contact your service provider. Nokia support and contact information For the latest version of this guide, downloads, services and additional information related to your Nokia product, please visit www.nokia-asia.com/5700/support or your local Nokia web site. You may also download free 10 Copyright © 2007 Nokia. All rights reserved.