Samsung Galaxy 57 active User Manual page 159

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 need to
mount it before it can be accessed.
1. From a Home screen, swipe up to access Apps.
2. Tap Settings > Device maintenance > Storage.
3. Tap More options > Storage settings.
4. Under Portable storage, tap your SD card, and
then tap Mount.
Device maintenance
Remove a memory card
Warning: To prevent damage to information stored on
the memory card, unmount the card before removing it
from the device.
1. From a Home screen, swipe up to access Apps.
2. Tap Settings > Device maintenance > Storage.
3. Tap More options > Storage settings.
4. Under Portable storage, tap your SD card, and
then tap Unmount.
5. Remove your memory card from the device.
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