Sony Reader Daily Edition PRS-900BC - Manual (Page 174)

174
Other Information
About Pre-loaded Content on the
Reader
Sample content is pre-installed in the Reader so that
you can try them out right away. The pre-installed
sample content is for the purpose of trial reading,
viewing and listening.
Note
 If you delete pre-installed sample content, you cannot restore
it, and Sony will not supply any replacement content.