Samsung GN 752 Series Manual do Utilizador descarregar pdf (Página 148)

Settings 139

3. Read the message and touch

to allow installation of

non-Google Play applications.

When enabled, a check mark appears in the check

box.

Warning!

Enabling this option causes your tablet and personal

data to be more vulnerable to attack by applications

from unknown sources.

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 a Home screen, touch

Apps

➔

Settings

➔

Security

2. Touch

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. Touch a CA certificate to examine its details.

A scrolling screen displays the details.

4. Scroll to the bottom of the details screen and touch

Disable

to disable a System certificate or

Remove

remove a User certificate.

Caution!

When you disable a system CA certificate, the

Disable

button changes to

Enable

, so you can enable the

certificate again, if necessary. When you remove a

user-installed CA certificate, it is permanently deleted

and must be re-installed, if needed.

5. Touch

to return to the certificate list.

When enabled, a check mark appears in the check

box.

Install from Device Storage

Install encrypted certificates from an installed memory card.

Note:

You must have installed a memory card containing

encrypted certificates to use this feature.

1. From a Home screen, touch

Apps

➔

Settings

➔

Security

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