6. Press [OK] twice.
7. After completing the procedure, press [Home] ( ).
• If a message prompting you to contact the administrator to back up the address
book appears on the screen, ask the administrator to back up the address book.
• If you select [Close], you can close the address book without backing up and go
back to the Home screen.When a message prompting you to back up the
address book appears on the screen, press [Go to Backup] to back up the
address book.
See "Making a Backup or Restoring the Address Book", User Guide (HTML).