Samsung Galaxy Note 3 User Manual page 196

Security
Encryption
As a security measure, you can encrypt the contents of your
device or an optional installed memory card (not included),
and require a password each time you turn on the device or
access the memory card.
Encryption may take an hour or more to complete. Start with
a charged battery, and attach the charger until encryption is
complete. Loss of power or other interruption may cause the
loss of some or all data.
Encrypt device
As a security measure, you can encrypt the contents of your
device and require a password to access the contents each
time you turn it on.
1. From the Settings screen, touch Security.
2. Touch Encrypt device to start encryption. Follow the
prompts to complete encryption.
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Encrypt external SD card
As a security measure, you can encrypt the contents of an
optional installed SD card (not included), and require a
password each time you access the card.
1. From the Settings screen, touch Security.
2. Touch Encrypt external SD card to start encryption.
Follow the prompts to complete encryption.
SIM card lock
Set up SIM card lock
As a security measure, you can choose to lock the SIM card,
and require a PIN to use the device.
1. From the Settings screen, touch Security.
2. Touch Set up SIM card lock for these settings:
• Lock SIM card: Enable to require a PIN be entered to use the
device, then set the PIN.
• Change SIM PIN: Create a PIN for accessing the SIM card.