LG U370 User Manual page 90

Move
You can move contacts from the phone memory to the USIM or from
the USIM to the phone memory. You can move all items or one at a
time.
Backup contacts
You can save all phonebook data in external memory card by
formatting vcard.
Restore contacts
You can restore all phonebook data in external memory card to
phone memory by formatting vcard.
Clear contacts
This menu deletes contact address information. You can delete
contact addresses saved in the handset memory and you can delete
the numbers saved on the USIM card.
Memory info.
You can check the status of memory in this menu.
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