Nokia XPRESS MUSIC 5730 - Manual (Page 64)

View certificate details
You can only be sure of the correct identity of a server when
the signature and the validity period of a server certificate
have been checked.
To view certificate details, open a certificate folder, and select
a certificate and Options > Certificate details.
One of the following notes may appear:
● Certificate not trusted — You have not set any
application to use the certificate. You may want to change
the trust settings.
● 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.
Back up data
Select Menu > Applications > Organiser > File mgr..
It is recommended that you back up the device memory
regularly to a memory card or a compatible computer.
To back up information from the device memory to a memory
card, select Options > Back up phone memory.
To restore information from the memory card to the device
memory, select Options > Restore from mem. card.
You can also connect your device to a compatible computer
and use Nokia Ovi Suite to back up data.
Application manager
With Application manager, you can see the software
packages installed in your device. You can view details of
installed applications, remove applications, and define
installation settings.
You can install two types of applications and software to your
device:
● JME applications based on Java™ technology with the .jad
or .jar file extensions
● Other applications and software suitable for the Symbian
operating system with the .sis or .sisx file extensions
Only install software that is compatible with your device.
Install applications and software
You can transfer installation files to your device from a
compatible computer, download them during browsing, or
receive them in a multimedia message, as an e-mail
attachment, or using other connectivity methods, such as
Bluetooth connectivity. You can use Nokia Application
Installer in Nokia Ovi Suite to install an application to your
device.
Icons in Application manager indicate the following:
.sis or .sisx application
Java application
application not fully installed
application installed in the mass memory
Security and data management
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