1. Inserting a memory card into your device allows you to transfer and store contacts, music, pictures, and videos.
   
2. Insert a microSD card into your device.
   
3. To backup your contacts, from the home screen, tap Contacts.
   
4. To back up other files, from the home screen, tap Apps.
   
5. Swipe to, then tap My Files.
   
6. Press the Menu key.
   
7. Tap Import/Export.
   
8. Tap Export to SD card.
   
9. Tap OK.
   
10. Tap All files.
    
11. Tap sdcard0.
    
12. Tap the Checkbox next to the desired folders, then tap the Menu icon.
    
13. Tap Move.
    
14. Tap extSdCard.
    
15. Navigate to the desired folder, then tap Move here.