Nokia N77 User Manual page 43

Advanced
Service providers—View or edit service provider settings,
add a new service provider, or view details of a service
provider. If you change the service provider, all the
information for the previous service provider in My
accounts is lost. You cannot change the settings of
predefined service providers.
Default access point—To change the access point used to
connect to the online service, select the access point you
want.
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