Samsung Galaxy S III - Manual (Page 134)

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Note: These options vary depending on the selected Lock
settings.
Owner information
This option allows you to show owner information on the lock
screen. You can also enter text to display on the lock screen.
1. From the Home screen, tap ➔ Settings ➔
Security ➔ Owner information.
2. Tap the Show owner info on lock screen checkbox to
create a checkmark if you want your owner information
displayed.
3. Enter text that you would like displayed on your
lockscreen and tap .
Encryption
To require a numeric PIN or password to decrypt your phone
each time you power it on or encrypt the data on your SD
card each time it is connected:
1. From the Home screen, tap ➔ Settings ➔
Security.
2. Tap Encrypt device. For more information, read the
displayed help screen.
3. Tap Encrypt SD card to enable the encryption on SD
card data that requires a password be entered each
time the microSD card is connected.
Tip: Make sure your battery is charged more than 80 percent.
Encryption may take an hour or more.
Set up/change password
Use this option to set up your password when one is first
required or change your current password.
1. From the Home screen, tap ➔ Settings ➔ Security
➔ Set up/change password.
2. Enter a new password and tap Confirm.
3. Enter the new password again and tap Confirm.
Set up SIM card lock
Prevent another user from using your SIM card to make
unauthorized calls or from accessing information stored on
your SIM card by protecting the information using a PIN code.
When enabled, your phone will ask for a PIN number each
time you use the phone. Using this option you can also
change your SIM PIN number.