Digital Rights Management - Nokia N91 - Smartphone 30 MB User Manual

To format the hard drive, select
drive > Quick format or Full
completely clean the disk. This may be necessary if you give
your device to someone else and you want to erase all the
personal data first. Use Full format
corruption problems. If corrupted sectors are found,
format will isolate those sectors to prevent further
problems. Use Quick format
disk just to quickly erase the content.
Formatting is not a 100% safe way to destroy confidential
data. Standard formatting only marks the formatted area
as available space and deletes the address to find the files
again. The recovery of formatted or even overwritten data
may still be possible with special recovery tools and
software.
Digital rights management (DRM) technologies may
prevent some back-up data from being restored. Contact
your service provider for more information about DRM
used for your content.
DRM protected content comes with an associated
activation key that defines your rights to use the content.
If your device has WMDRM protected content both the
activation keys and the content will be lost if the device
memory is formatted. You may also lose the activation keys
and the content in case the files on your device get
corrupted. Losing the activation keys or the content may
Options > Format hard
format. Use Full format to
also if you have disk
Full
for a previously formatted
limit your ability to use the same content on your device
again. For more information, contact your service provider.
If your device has OMA DRM protected content, the only
way to back up both the activation keys and the content
is to use the backup feature of Nokia PC Suite. Other
transfer methods may not transfer the activation keys
which need to be restored with the content for you to be
able to continue the use of OMA DRM protected content
after the device memory is formatted. You may also need
to restore the activation keys in case the files on your
device get corrupted.

Digital Rights Management

Content owners may use different types of digital rights
management technologies (DRM) to protect their
intellectual property including copyrights. This device uses
various types of DRM software to access DRM protected
content. With this device you can access content
protected with WMDRM 10, OMA DRM 1.0 and OMA DRM
2.0. If certain DRM software fails to protect the content,
content owners may ask that such software's ability to
access new DRM protected content be revoked.
Revocation may also prevent renewal of such DRM
protected content already in your device. Revocation of
such DRM software does not affect the use of content
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