Nokia N80 Internet Edition User Manual page 110

To buy more usage time or extend the usage period for a
media file, select an invalid activation key and Options >
Get activation key. Activation keys cannot be updated if
Web service message reception is disabled. See 'Web
service messages', p. 50.
To view detailed information, such as the validity status
and ability to send the file, scroll to an activation key, and
press .
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