Справочник Пользователя для Samsung Galaxy Mega

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This feature allows you to download and install non-Market 
applications.

1. From the Settings screen, touch 

 

➔ 

Security.

2. Touch Unknown sources.

When enabled, a check mark 

 appears in the 

check box.

Warning! Enabling this option causes your phone and personal 

data to be more vulnerable to attack by applications 
from unknown sources.

This feature allows you to either block or warn you before 
installing apps that may cause harm to your phone.

1. From the Settings screen, touch 

 

➔ 

Security.

2. Touch Verify apps.

When enabled, a check mark 

 appears in the 

check box.

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 

 

➔ 

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 

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.