The Samsung Galaxy Tab A NOOK has a microSD card slot to accommodate an optional memory card* for extra storage of videos, photos, music, or other media. The maximum size supported is 128GB.
When you install an optional memory card, it is automatically mounted (connected to the device) and prepared for use. To prevent damage to information stored on the memory card, always unmount the card before removing it from the device.
Please note: Unmounting an SD card may stop some applications from functioning until you mount the SD card again.
To unmount a SD card:
1. From a device Home screen, tap Apps > Settings > Storage.
2. Tap Unmount SD card.
* Memory card sold separately.
