Samsung SM-T900 사용자 설명서

Settings       133

To set security update service settings:

1. From the Settings screen, touch General tab ➔ 

Security.

2. Touch Security policy updates for these options:

• Automatic updates: Automatically check for changes 

to the security policy and download any updates to 

improve security.

• Check for updates: Check for updates manually.

3. Touch Send security reports to send security reports 

to Samsung via Wi-Fi for threat analysis.

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, touch General tab ➔ 

Security.

2. Touch Storage type to set a storage type for credential 

contents.

3. 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.

4. Touch a CA certificate to examine its details. A scrolling 

screen displays the details.

Scroll to the bottom of the details screen and touch 

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.

Touch OK to return to the certificate list.

5. Touch Install from phone storage, then choose a 

certificate and follow the prompts to install encrypted 

certificates stored on the USB storage.