Nokia E51 User Guide - Page 101
Fixed dialling, Certificate manager - software downloads
UPC - 758478012970
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long and is case-sensitive. The password is stored in your device. You do not need to enter it again while you use the memory card on the same device. If you use the memory card on another device, you are asked for the password. Not all memory cards support password protection. To remove the memory card password, select Options > Remove password. When you remove the password, the data on the memory card is not protected against unauthorised use. To open a locked memory card, select Options > Unlock memory card. Enter the password. If you cannot recall the password to unlock a locked memory card, you may reformat the card, in which case the card is unlocked and password removed. Formatting a memory card destroys all data stored on the card. Fixed dialling Select Menu > Contacts > Options > SIM contacts > Fixed dial contacts. With the fixed dialling service, you can restrict calls from your device to certain phone numbers. Not all SIM cards support the fixed dialling service. Contact your service provider for more information. When fixed dialling is activated, calls may be possible to the official emergency number programmed into your device. 1. To restrict calls from your device, select Options > New SIM contact and enter the contact name and phone number to the list of numbers to which calls are allowed, or select Add from Contacts to copy the contact from Contacts. To restrict calls by a country prefix, enter the country prefix in the list of numbers. All phone numbers to which calls are allowed must start with this country prefix. 2. Select Options > Activate fixed dialling. You need your PIN2 code to activate and deactivate fixed dialling or edit your fixed dialling contacts. Contact your service provider if you do not have the code. To cancel the service, select Options > Deactivate fixed dialling. Tip: To send text messages to the SIM contacts while the fixed dialling service is active, you need to add the text message centre number to the fixed dialling list. Certificate manager Select Menu > Tools > Settings > General > Security > Certificate management. Digital certificates are used to verify the origins of software but do not guarantee safety. There are four different types of certificates: authority certificates, personal certificates, trusted site certificates, and device certificates. During a secure connection, a server may send a server certificate to your device. Upon receipt, it is checked through an authority certificate stored in your device. You receive notification if the identity of the server is not authentic or if you do not have the correct certificate in your device. Download a certificate from a web site, or receive a certificate as an e-mail attachment, or as a message sent through a Bluetooth or infrared connection. Certificates should be used when you connect to an online bank or a remote server to transfer confidential information. They should also be used if you want to reduce the risk of viruses 101