Nokia N91 Cell Phone User Manual


 
Tools
112
Copyright © 2005 Nokia. All rights reserved.
anything else and connect it to a charger and keep the
charger connected while your device formats the hard
drive.
To format the hard drive, select Options > Quick format
or Full format. Full format scans the drive for errors
before formatting. Full format deletes all the information
from the disk without scanning the disk first. Use this
option for a previously formatted disk and if you are sure
the disk is not damaged.
When the hard drive is formatted, all data on the drive is
permanently lost. Back up data you want to keep before
formatting the hard drive. You can use Nokia PC Suite to
back up data to a compatible PC.
Activation keys for
copyright-protected files
Copyright protections may prevent some images, music
(including ringing tones), and other content from being
copied, modified, transferred or forwarded.
To view the digital rights activation keys stored in your
device, press , and select Tools > Actv. keys and from
the following:
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 >
Activate content. Activation keys cannot be updated if
Web service message reception is disabled. See ‘Web
service messages’, p. 57.
To view detailed information, such as the validity status
and ability to send the file, scroll to an activation key, and
press the joystick.