Factory Settings; Navi Wheel - Nokia N81 User Manual

certificate details, the validity of the certificate is checked,
and one of the following notes may be displayed:
•
Certificate not trusted—You have not set any
application to use the certificate. See
settings", p. 109.
•
Expired certificate—The period of validity has ended
for the selected certificate.
• Certificate not valid yet—The period of validity has
not yet begun for the selected certificate.
•
Certificate corrupted—The certificate cannot be used.
Contact the certificate issuer.
Change the trust settings
Before changing any certificate settings, you must make
sure that you really trust the owner of the certificate and
that the certificate really belongs to the listed owner.
Scroll to an authority certificate, and select
Trust settings. Depending on the certificate, a list of the
applications that can use the selected certificate is shown.
For example:
•
Symbian installation: Yes—The certificate is able to
certify the origin of a new Symbian operating system
application.
•
Internet: Yes—The certificate is able to certify servers.
• App. installation: Yes—The certificate is able to certify
the origin of a new Java application.
Select Options > Edit trust setting
Security module
To view or edit a security module (if available) in
module, scroll to it, and press the scroll key. To view
"Change the trust
detailed information about a security module, scroll to it,
and select

Factory settings

To reset some of the settings to their original values, select
Factory
"Phone and SIM
may take a longer time to power on. Documents and files
are unaffected.

Navi wheel

Select
Options >
through lists in some applications) by sliding your finger
around the rim of the scroll key.
Positioning
Positioning
used to detect the location of your device:
to use a compatible external GPS receiver with Bluetooth
connectivity, and
the cellular network (network service). The location
to change the value.
Copyright © 2007 Nokia. All rights reserved.
Options > Security details.
settings. To do this, you need the lock code. See
card", p. 106. After resetting, the device
On to perform certain actions (for example, browse
methods—Select the positioning methods
Network based
Security
Bluetooth GPS
to use information from
109