Nokia N70 User Manual

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Contents

Copyright © 2006 Nokia. All rights reserved.Tools99When calls are limited to closed user groups, calls may bepossible to the official emergency number programmedinto your device.Confirm SIM services—You can set the device to displayconfirmation messages when you are using a SIM cardservice (network service).Glossary of PIN and lock codesIf you forget any of these codes, contact your serviceprovider.Personal identification number (PIN) code—This codeprotects your SIM card against unauthorized use. The PINcode (4 to 8 digits) is usually supplied with the SIM card.After three consecutive incorrect PIN code entries, the PINcode is blocked, and you need to unblock it before you canuse the SIM card again. See the information about the PUKcode in this section.UPIN code—This code may be supplied with the USIM card.The USIM card is an enhanced version of the SIM card andis supported by UMTS mobile phones. The UPIN codeprotects the USIM card against unauthorized use.PIN2 code—This code (4 to 8 digits) is supplied with someSIM cards, and is required to access some functions in yourdevice.Lock code (also known as security code)—This code (5digits) can be used to lock the device to avoid unauthorizeduse. The factory setting for the lock code is 12345. Toavoid unauthorized use of your device, change the lockcode. Keep the new code secret and in a safe placeseparate from your device.Personal unblocking key (PUK) code and PUK2 code—Thesecodes (8 digits) are required to change a blocked PIN codeor PIN2 code, respectively. If the codes are not suppliedwith the SIM card, contact the operator whose SIM cardis in your device.UPUK code—This code (8 digits) is required to change ablocked UPIN code. If the code is not supplied with theUSIM card, contact the operator whose USIM card is inyour device.Certificate managementDigital certificates do not guarantee safety; they are usedto verify the origin of software.Glossary: Digital certificates are used to verify theorigin of the XHTML or WML pages and installedsoftware. However, they can only be trusted if theorigin of the certificate is known to be authentic.In the certificate management main view, you can see alist of authority certificates that are stored in your device.Press to see a list of personal certificates, if available.Digital certificates should be used if you want to connectto an online bank or another site or remote server for