1. Inserting a memory card (microSD card) into your device allows you to transfer and store contacts, music, pictures, and videos. MicroSD cards are sold separately. 
   
2. To save contacts to the SD card, from the home screen tap the Phone icon.
   
3. Tap the Menu icon.
   
4. Next tap Settings icon.
   
5. Tap Contacts.
   
6. Tap Import/Export contacts.
   
7. Tap Export to SIM Card.
   
8. Choose Desired contacts, and then tap DONE.
   
9. Tap OK.
   
10. You will be prompted about the transfer, now you have successfully transferred and backed up your Contacts to an SD Card.