Changing Your Settings 129
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
Disable
to disable a System certificate or
Remove
to remove a
User certificate.
Caution!
When you disable a system CA certificate, the
Disable
button changes to
Enable
, 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
➔
Security
.
2.
Tap
Install from device storage
, then choose a certificate
and follow the prompts to install.
Clear credentials
Clear stored credentials.
Note:
This setting only appears if you have installed encrypted
certificates.
1.
From the Home screen, tap
➔
Settings
➔
Security
.
2.
Tap
Clear credentials
to remove all certificates.
One-handed operation
The one-handed operation settings help you to use your
phone keypads easily with only one hand.
1.
From the Home screen, tap
➔
Settings
➔
One-
handed operation
.
2.
The following options are available:
