Samsung SCH-R880MBAUSC - Manual (Page 78)

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Use GPS satellites
When enabled, this setting lets your phone use GPS satellites to
determine your location to street-level for emergency and
location-based services.
Note: Prolonged GPS satellite use drains your battery faster.
Set up screen lock
Use these settings to determine the unlock method for your
phone.
None
Disables the other screen unlock settings and returns you to the
default unlock swipe.
Pattern
When enabled, this setting requires that you draw a pattern on
the display to unlock your phone, instead of the default single
swipe across the display.
PIN
When enabled, this setting requires that you enter a Personal
Identification Number (PIN) to unlock your phone, instead of the
default single swipe across the display.
Password
When enabled, this setting requires that you enter a numeric
password, an alphabetical password, or combination of letters
and numbers to unlock your phone, instead of the default single
swipe across the display.
Passwords
Visible passwords
Touching this setting makes passwords visible/or invisible while
you type them.
Device Administration
Select device administrators
Touching this option lets you add or remove device
administrators.
Credential storage
Use the following settings to establish, maintain, and secure
credentials storage for your phone.
Use secure credentials
When enabled, this setting requires that your phone’s functions
and Apps use stored credentials to secure data communications
(such as for E-mail and secure web sites).