Sonic Alert 6021 manual Cache memory, Browser security, Security module

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To set the phone to receive service messages only from content authors approved by the service provider, select Message filter > On. To view the list of the approved content authors, select Trusted channels.

To set the phone to automatically activate the browser from the standby mode when the phone has received a service message, select Automatic connection > On. If you select Off, the phone activates the browser only after you select Retrieve when the phone has received a service message.

■Cache memory

A cache is a memory location that is used to store data temporarily. If you have tried to access or have accessed confidential information requiring passwords, empty the cache after each use. The information or services you have accessed is stored in the cache.

To empty the cache, while browsing, select Options > Other options > Clear the cache; in the standby mode, select Menu > Web > Clear the cache.

■Browser security

Security features may be required for some services, such as online banking or shopping. For such

connections you need security certificates and possibly a security module, which may be available on your SIM card. For more information, contact your service provider.

Security module

The security module improves security services for applications requiring a browser connection, and allows you to use a digital signature. The security module may contain certificates as well as private and public keys. The certificates are saved in the security module by the service provider.

Select Menu > Web > Settings > Security settings > Security module settings and from the following options:

Security module details — to show the security module title, status, manufacturer, and serial number

Module PIN request — to set the phone to ask for the module PIN when using services provided by the security module. Enter the code, and select On. To disable the module PIN request, select Off.

Change module PIN — to change the module PIN, if allowed by the security module. Enter the current module PIN code, then enter the new code twice.

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