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■ 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 > Clear privacy data > Cache.
■ Browser security
Security features may be required for some services, such as online banking or shopping. For
such connections, you need security certificates, which may be available on your SIM card.
For more information, contact AT&T.
Protected content
Protected content stores licenses used to access DRM-protected material. See "Digital
rights management," p. 12
. When the license store becomes full, it may be necessary to
remove the licenses stored on the phone before adding new ones.
To remove all licenses stored on your phone, select Menu > Settings > Config.> General >
Security > Protected content.
Certificates
Important: Even if the use of certificates makes the risks involved in remote
connections and software installation considerably smaller, they must be used
correctly in order to benefit from increased security. The existence of a certificate
does not offer any protection by itself; the certificate manager must contain
correct, authentic, or trusted certificates for increased security to be available.
Certificates have a restricted lifetime. If "Expired certificate" or "Certificate not
valid yet" is shown, even if the certificate should be valid, check that the current
date and time in your device are correct.
Before changing any certificate settings, you must make sure that you really trust
the owner of the certificate and that the certificate really belongs to the listed
owner.
There are three kinds of certificates: server certificates, authority certificates, and user
certificates. You may receive these certificates from AT&T.
To view the list of the authority or user certificates downloaded into your phone, select
Menu > Settings > Config.> General > Security > Certificate management and from the
available options.
13. My Stuff
Select Menu > My Stuff.