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• Certificate corrupted - The certificate cannot be used. Contact the certificate issuer.
IMPORTANT: Certificates have a restricted lifetime. If Expired certificate or Certificate
not valid yet is shown even if the certificate should be valid, check that the current
date and time in your phone are correct.
Changing the trust settings of an authority certificate
• Scroll to an authority certificate and select Options→ Trust settings. Depending on the
certificate, a list of the applications that can use the selected certificate is shown. For
example:
WAP services / Yes - the certificate is able to certify WAP sites.
Application manager / Yes - the certificate is able to certify the origin of new software.
Internet / Yes - the certificate is able to certify e-mail and imaging servers.
IMPORTANT: Before changing these settings, you must make sure that you really
trust the owner of the certificate and that the certificate really belongs to the listed
owner.
Call barring (network service)
Call barring allows you to restrict the making and receiving of calls with your phone. For
this function, you need the barring password, which you can obtain from your service
provider.
1 Scroll to one of the barring options.
2 Select Options→ Activate to request the network to set call restriction on, Cancel to set
the selected call restriction off, or Check status to check if the calls are barred or not.
• Select Options→ Edit barrings passw. to change the barring password.
• Select Options→ Cancel all barrings to cancel all active call barrings.
Note: When calls are barred, calls may be possible to certain emergency numbers
in some networks (e.g. 112 or other official emergency number).
Note: Call barring affects all calls, including data calls.