Assembling14To save energy, unplug the USB power adapter whennot in use. The USB power adapter does not have apower switch, so you must unplug the USB poweradapter from the electrical socket when not in use toavoid wasting power. The device should remain close tothe electrical socket while charging.Insert a memory card (optional)Your device accepts memory cards with maximum capacitiesof 64 GB. Depending on the memory card manufacturer andtype, some memory cards may not be compatible with yourdevice.Samsung uses approved industry standards for memorycards, but some brands may not be fully compatiblewith your device. Using an incompatible memory cardmay damage your device or the memory card and cancorrupt data stored on the card.Your device supports only the FAT file structure formemory cards. If you insert a card formatted witha different file structure, your device will ask you toreformat the memory card.Frequent writing and erasing of data will shorten thelifespan of memory cards.When you insert a memory card in your device, thefile directory of the memory card will appear in theextSdCard folder under the internal memory.