Turn on or turn off media card support
When you turn off media card support, your BlackBerry smartphone can't access the files that are on your media card. This
might be useful if you want to make sure that your files are saved to your smartphone's built-in media storage rather than
your media card.
On the home screen or in a folder, click the Options icon.
Click Device > Storage.
Select or clear the Media Card Support checkbox.
key > Save.