Samsung SM-T520NZKAXAR ユーザーズマニュアル

To set security update service settings: 

1.  From a Home screen, touch 

➔ 

Settings ➔ 

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 a Home screen, touch 

➔ 

Settings ➔ 

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. 

Settings  

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