How to use activation keys
Copyright protections may prevent some images, music (including ringing tones), and other content from being copied, modified, transferred or forwarded.
Select Menu > Tools > Actv. keys to view the digital rights activation keys stored in your phone.
To view valid keys 
that are connected to one or more media files, select Valid keys.
To view invalid keys 
with which the time period for using the file is exceeded, select Invalid keys. To buy more usage time or extend the usage period for a media file, scroll to a key, and select Options > Get activation key. It may not be possible to update activation keys if Web service message reception is disabled.
To view activation keys that are not in use, select Not in use. Unused activation keys have no media files connected to them. To view detailed information such as the validity status and the ability to send the file, scroll to an activation key, and press the scroll key.
Also see:
How to use speed dial – Nokia 5500 Sport support
How to change settings – Nokia 5500 Sport support
