If the BlackBerry smartphone is security wiped and the encryption method was set to use the Device Key or Device Password & Device key, the BlackBerry smartphone will not be able to access the encrypted data on the media card.
After media card encryption is enabled, files copied to the media card using mass storage mode will not be encrypted.
Existing files already on the media card will not be encrypted unless they are renamed, modified or moved.
When media card encryption is enabled on the BlackBerry smartphone the following occurs to the files on the media card: