Extended User’s Guide

Table Of Contents

• while browsing, press Options, and select Other options and Clear the cache, or

• in standby mode, press Menu, and select Services and Clear the cache.

Authority certificates

For using some services, such as banking services, you need security certificates.

Using the certificates can help you improve the security of connections between

your phone and a gateway or server, if the Connection security is set to On.

You can download authority certificate from a page, if the service supports the

use of authority certificates. After the download, you can view the certificate and

then save or delete it. Saved certificates are added to the certificate list in the

phone.

The phone indicates if the identity of the server or gateway cannot be verified, if

the server or gateway certificate is not authentic or if you do not have the correct

authority certificate in your phone.

Viewing the list of authority certificates

Press Menu, select Services, Settings, Security settings and Authority certificates.

See also Security info in Using the phone keys while browsing on page 110.

Security indicator

If the security indicator is displayed during a connection, the data transmission

between the phone and the gateway or server (identified by the IP address in the

Edit active service settings) is encrypted.However, the security indicator does not

indicate that the data transmission between the gateway and the content server

(the location where the requested resource is stored) is secure. It is up to the