LG LS840 - Manual (Page 109)

Contacts 99
1. Tap > > Contacts.
2. Tap > Import/Export.
3. Tap Export to SD card.
4. Tap the contacts you want to export, then tap Export and OK to confirm.
Share a Contact
You can share a contact with someone by sending it to the person as a vCard file.
1. Tap > > Contacts.
2. Open the contact you want to share.
3. Tap > Share.
4. Select the contacts you want to share and tap Attach.
5. Choose the method for sending.