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Data management
Data management
Install or remove applications
You can install two types of applications to your device:
•J2ME
TM
applications based on Java
TM
technology with
the extension .jad or .jar. PersonalJava
TM
applications
cannot be installed on your device.
• Other applications and software suitable for the
Symbian operating system. The installation files have
the .sis or .sisx extension. Only install software
specifically designed for your device.
Important: Only install and use applications and
other software from trusted sources, such as
applications that are Symbian Signed or have
passed the Java Verified
TM
testing.
Important: Even if the use of certificates makes
the risks involved in remote connections and
software installation considerably smaller, they
must be used correctly in order to benefit from
increased security. The existence of a certificate
does not offer any protection by itself; the
certificate manager must contain correct,
authentic, or trusted certificates for increased
security to be available. 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 device are correct.
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.
Installation files may be transferred to your device from a
compatible computer, downloaded during browsing, or
sent to you in a multimedia message, as an e-mail
attachment or by using Bluetooth technology. You can use
Nokia Application Installer in Nokia PC Suite to install an
application to your device or a memory card.
To find installed applications, select > Applications >
My own. My own is the default folder for installed
applications. However, applications may also be installed
in the Internet or Games folders.
To open Application manager, select > Settings > Data
mgr. > App. mgr..