Samsung 10.1 - Manual (Page 82)

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SIM card lock
Set up SIM card lock
As a security measure, you can choose to require a PIN for
access to SIM card information.
1. From the Home screen, touch Apps ➔
Settings ➔ Location & security.
2. Touch Set up SIM card lock for these settings:
• Lock SIM card: Enable to require a PIN be entered for access to
SIM card information, then set the PIN.
• Change SIM PIN: Enter a new PIN for accessing the SIM card.
Passwords
Visible passwords
When enabled, password characters will display briefly as you
enter them.
1. From the Home screen, touch Apps ➔
Settings ➔ Location & security.
2. Touch Visible passwords to enable or disable brief displays
of password characters. When enabled, a check mark
appears in the check box.
Device administration
Select device administrators
Add or remove device administrators, used by some applications
when synchronizing with your device.
1. From the Home screen, touch Apps ➔
Settings ➔ Location & security.
2. Touch Device administrators.
Credential storage
Use secure credentials
You can install credentials from USB storage, and allow
applications to access the secure certificates and other
credentials. Secure credentials are used to establish some kinds
of VPN and Wi-Fi connections.
Note: You must have installed encrypted certificates to use this feature.
1. From the Home screen, touch Apps ➔
Settings ➔ Location & security.
2. Touch Use secure credentials to enable or disable. When
enabled, a check mark appears in the check box.