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From the Home screen, tap ➔
Settings
➔
More
➔
Security
.
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.
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 bott
om 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 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 the Home screen, tap ➔
Settings
➔
More
➔
Security
.
2. Tap
Install from device storage
, then choose a
certificate and follow the prompts to install.
Changing Your Settings 156