Encrypt device memory or memory card
To encrypt the device memory, select
Phone memory
.
To encrypt the memory card, select
Memory card
and from the following:
Encrypt without saving key — Encrypt the memory card without saving the encryption
key. If you select this option, you cannot use the memory card in other devices, and if
you restore factory settings, you cannot decrypt the memory card.
Encrypt and save key — Encrypt the memory card and save the key manually in the
default folder. For security, store the key to a safe place outside the device. For example,
148 Security and data management
you can send the key to your computer. Enter a pass phrase for the key and a name for
the key file. The pass phrase should be long and complex.
Encrypt with restored key — Encrypt the memory card with a key you have received.
Select the key file, and enter the pass phrase.