Sim Card Lock - Samsung Galaxy S4 User Manual

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. Set up a screen lock. This is required to encrypt the SD
card. For more information, refer to "Screen lock" on
page 144.
2. From the Home screen, touch
More Security.
3. Touch Encrypt external SD card.
After encryption, the phone will require you to enter a
password each time the microSD card is connected.
Tip: Make sure your battery is more than 80 percent charged.
The encryption process could take an hour or more to
complete.

SIM Card Lock

Apps Settings
Changing the SIM PIN Code
Protect information on your phone by using a PIN code to
prevent another user from using your SIM card to make
unauthorized calls or from accessing information stored on
your SIM card.
When enabled, your phone prompts for a PIN number each
time you use the phone. You can also change your SIM PIN
number using this option.
1. From the Home screen, touch
More Security.
2. Touch Set up SIM card lock.
3. Touch Lock SIM card, enter the SIM PIN code and then
touch OK.
Note: You must activate Lock SIM card before you can change
your SIM PIN code.
1. Touch Change SIM PIN.
2. Enter the old SIM PIN code and tap OK.
3. Enter the new SIM PIN code and tap OK.
4. Re-type the new SIM PIN code and tap OK.
Apps Settings
Settings 171