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, 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.