158Copyright © 2003 Nokia. All rights reserved.If you select Automatic connection off, the phone will activate the browseronly after you have selected Retrieve when the phone has received a servicemessage.The cache memoryThe information or services you have accessed are stored in the cache of yourphone. A cache is a buffer memory, which is used to store data temporarily. Toempty the cache:• 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.Browser securitySecurity features may be required for some services, such as banking services orshopping on a site. For such connections you need security certificates andpossibly a security module which may be available on your SIM card. For moreinformation, contact your service provider.Security moduleThe security module can contain certificates as well as private and public keys. Thepurpose of the security module is to improve security services for applicationsrequiring browser connection, and allows you to use a digital signature. Thecertificates are saved in the security module by the service provider.
