The BlackBerry device is displaying a 517 error. What does this error indicate and what should be done to resolve the error? (Choose one.) | Blackberry

A. This error indicates that a BlackBerry device does not have BlackBerry Device Software installed and
needs to have the software installed using the backup and restore tool.
B. This error indicates a BlackBerry device has a corrupt file system and needs to have BlackBerry
Device Software installed using the application loader tool.
C. This error indicates a BlackBerry device is locked and needs to have BlackBerry Device Software
installed using the backup and restore tool.
D. This error indicates a BlackBerry device has a corrupt file system and needs to have BlackBerry
Device Software installed using the backup and restore tool.
E. This error indicates a BlackBerry device is locked and needs to have BlackBerry Device Software
installed using the application loader tool.

Answer: B