Samsung galaxy S5 - Manual (Page 128)

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3. Enter the new PUK code that you received from your
AT&T Customer Service Representative on the keypad
that is displayed.
4. Enter a new PIN code on the keypad that is displayed
and tap OK.
5. Enter the new PIN code again in the Confirm PIN code
field and tap OK.
Note: While your SIM PIN is locked, you will still be able to
make Emergency calls if necessary.
Make passwords visible
When enabled, password characters display briefly as you
touch them while entering passwords.
1. From the main Settings screen, tap 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.
Note: If a device uses multiple enabled administration
applications, the strictest policy is enforced.
1. From the main Settings screen, tap Security.
2. Tap Device administrators.
3. Select a device administrator and follow the prompts. If
no device administrators are listed, you can download
them from the Play Store.