Samsung SM-G900A User Manual At&t Wireless Sm-g900a Galaxy S 5 Kit Kat Eng - Page 130

Trusted Credentials, Install from phone storage - roms

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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 main Settings screen, tap Security. 2. Tap Trusted credentials. The trusted credentials screen has two tabs: • System: Di splays CA certificates that are permanently installed in the ROM of your device. • User: Di splays any CA certificates that you installed, for example, in the process of installing a clie nt 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 or Remove to remove a User 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. When you remove a user-installed CA certificate, it is permanently deleted and must be re-installed, if needed. 5. Tap OK to return to the certificate list. When enabled, a check mark appears in the check box. Install from phone 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 the main Settings screen, tap Security. 2. Tap Install from phone storage, then choose a certificate and follow the prompts to install. 122

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122
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 main 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 or
Remove
to remove
a User 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. When you remove a
user-installed CA certificate, it is permanently
deleted and must be re-installed, if needed.
5.
Tap
OK
to return to the certificate list.
When enabled, a check mark appears in the check box.
Install from phone 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 the main Settings screen, tap
Security
.
2.
Tap
Install from phone storage
, then choose a
certificate and follow the prompts to install.