Samsung Galaxy Note 3 Important Information Manual page 52

Severability
If any portion of this Limited Warranty is
held to be illegal or unenforceable, such
partial illegality or unenforceability shall not
affect the enforceability of the remainder of
the Limited Warranty.
Precautions for Transfer and Disposal
If data stored on this device is deleted or
reformatted using the standard methods,
the data only appears to be removed on a
superficial level, and it may be possible for
someone to retrieve and reuse the data by
means of special software.
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To avoid unintended information leaks
and other problems of this sort, it is
recommended that the device be returned
to Samsung's Customer Care Center for
an Extended File System (EFS) Clear which
will eliminate all user memory and return all
settings to default settings.
Please contact the Samsung Customer
Care Center for details.
Important: Please provide warranty
Manufacturer's Warranty
information (proof of
purchase) to Samsung's
Customer Care Center in
order to provide this service
at no charge. If the warranty
has expired on the device,
charges may apply.