Set phone or memory card or other folder as storage of C3 photos or videos.

Avoid using the phone memory as storage for camera photos.

Either select phone icon or Menu>Photos>Camera. Click on Options>Settings>Photo/video storage
You will be presented with the following: Memory card, Phone memory, Other folder.
Press the left or right select ring. If you chose folder, you have the oppurtunity to even create a new one! But most of the time, you will have to choose between phone and card memory.