Nokia N71 User Manual page 102

Valid keys — View keys that are connected to one or
more media files and keys whose validity period has not
started yet.
Invalid keys — View keys that are not valid; the time period
for using the media file is exceeded or there is a protected
media file in the device but no connected activation key.
Not in use — View keys that have no media files connected
to them in the device.
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
Services message reception is disabled. See "Service
messages", on page 34.
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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