Format the memory card, Backup and restore information, Lock the memory card – Nokia 6120 classic User Manual
Page 80: Check memory consumption, Device manager

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Format the memory card
When a memory card is formatted, all data on the card is permanently lost. Some
memory cards are supplied preformatted and others require formatting.
1. Select Options > Format memory card.
2. Select Yes to confirm.
3. When formatting is complete, enter a name for the memory card.
Backup and restore information
To back up information from phone memory to the memory card, select Options >
Back up phone memory.
To restore information from the memory card to the phone memory, select
Options > Restore from card.
You can only back up the phone memory and restore it to the same phone.
Lock the memory card
To set a password 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 the memory card
If you insert another password-protected memory card into your phone, you are
prompted to enter the password of the card. To unlock the card, select Options >
Unlock memory card.
Check memory consumption
To check the memory consumption and the amount of memory available on your
memory card, select Options > Memory details.
■ Device manager
You may receive server profiles and configuration settings from your service
provider or company information management department.
To open the device manager, select Menu > Settings > Data mgr. > Device mgr.. If
you have no server profiles defined, the phone asks whether you want to define
one.