Samsung SGH-I547ZKAATT - Manual (Page 130)

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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.
1. From the Home screen, tap ➔ Settings ➔
Security.
2. Tap Set up SIM card lock.
3. Tap Lock SIM card, enter your SIM PIN code, then tap
OK.
Note: You must activate Lock SIM card before you can change
your SIM PIN code.
4. Tap Change SIM PIN.
5. Enter your old SIM PIN code and tap OK.
6. Enter your new SIM PIN code and tap OK.
7. Re-type your new SIM PIN code and tap OK.
Make passwords visible
When enabled, password characters display briefly as you
touch them while entering passwords.
1. From the Home screen, tap ➔ Settings ➔
Security.
2. Tap Make passwords visible to create a checkmark and
enable or disable the display of password characters.
Device Administrators
The Device Administration feature allows you to select one or
more administration applications that control your device for
security purposes (for example, if your phone is lost of
stolen). These applications enforce remote or local device
security policies.
Some of the features a device administration application
might control are:
• Setting the number of failed password attempts before the
device is restored to factory settings.
• Automatically locking the device.
• Restoring factory settings on the device.