54Back up and restore informationTo back up information from phone memory to the memory card, select Options >Backup phone mem.To restore information from the memory card to the phone memory, selectOptions > Restore from card.You can only back up the phone memory and restore it to the same phone.Lock the memory cardTo set a password to lock your memory card to help prevent unauthorized use,select Options > Set password. You are asked to enter and confirm your password.The password can be up to eight characters long.Unlock a memory cardIf you insert another password-protected memory card into your phone, you areprompted to enter the password of the card. To unlock the card, select Options >Unlock memory card.Once the password is removed, the memory card is unlocked and can be used onanother phone without a password.Check memory consumptionTo check the memory consumption and the amount of memory available on yourmemory card, select Options > Memory details.■ Zip managerUse Zip manager to archive and compress files and to extract files from .ziparchives.Select Menu > Organiser > Zip. In the main view, the folders and the .zip archivesin the phone memory are displayed. To view the memory card, scroll right.Create an archive or add files to an existing archive1. To create a new archive to the folder you are in, select Options > New archive,and enter the name of the archive. To open an existing archive, scroll to the .ziparchive, and press the scroll key.2. Select Options > Add to archive.3. Scroll to the file or folder you want to archive, and press the scroll key.