Samsung Galaxy CORE PRIME User Manual page 198

Mount a Memory Card
When you install an optional memory card, it is
automatically mounted (connected to the device) and
prepared for use. However, should you unmount the
card without removing it from the device, you will need to
mount it before it can be accessed.
1. From a Home screen, tap
Storage.
Tap Mount SD card.
2.
Unmount an SD Card
To prevent damage to information stored on the memory
card, always unmount the card before removing it from
the device.
Unmounting an SD card may stop some applications
from functioning until you mount the SD card again.
1. From a Home screen, tap
Storage.
Tap Unmount SD card.
2.
Settings
Apps >
Apps >
186
Settings >
Settings >
Storage