Samsung Tab3 user manual Passwords, Device Administration, Credential Storage, Trusted Credentials

Passwords

When enabled, password characters display briefly as you tap them while entering passwords.

1.From the (Settings) screen, tap Security.

2.Tap Make passwords visible to enable or disable brief displays of password characters.

Device Administration

1.From the (Settings) screen, tap Security.

2.To add or remove device administrators, tap Device administrators.

3.To enable or disable installation of non-Google Play applications, tap Unknown sources.

An informational pop-up displays.

Read the message and tap OK to allow installation of non-Google Play applications.

Warning! Enabling this option causes your tablet and personal data to be more vulnerable to attack by applications from unknown sources.

4.Tap Verify apps to block or warn before installing apps that may cause harm to the device.

Credential Storage

Trusted Credentials

If a certificate authority (CA) certificate gets compromised or for some other reason you do not trust it, you can disable or remove it.

1.From the (Settings) screen, tap Security.

2.Tap Trusted credentials.

The trusted credentials screen has two tabs:

•System: Displays CA certificates that are permanently installed in the ROM of your device.

•User: Displays any CA certificates that you installed, for example, in the process of installing a client certificate.

3.Tap a CA certificate to examine its details. A scrolling screen displays the details.

4.Scroll to the bottom of the details screen and tap Turn off to disable a System certificate.

Caution! When you disable a system CA certificate, the

Turn off button changes to Turn on, so you can enable the certificate again, if necessary.

5.Tap OK to return to the certificate list.

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