Data management
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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 testing.
Before installation, note the following:
● To view the application type, version number, and the
supplier or manufacturer of the application, select
Options
>
View details
.
To display the security certificate details of the application,
select
Details:
>
Certificates:
>
View details
.
● If you install a file that contains an update or repair to an
existing application, you can only restore the original
application if you have the original installation file or a full
backup copy of the removed software package. To restore
the original application, remove the application, and
install the application again from the original installation
file or the backup copy.
The JAR file is required for installing Java applications. If it
is missing, the device may ask you to download it. If there
is no access point defined for the application, you are
asked to select one. When you are downloading the JAR
file, you may need to enter a user name and password to
access the server. You obtain these from the supplier or
manufacturer of the application.
To install software or an application, do the following:
1. To locate an installation file, select >
Applications
>
Installations
>
App. mgr.
. Alternatively, search for
installation files using File manager, or select
Messaging
>
Inbox
, and open a message that contains
an installation file.
2. In Application manager, select
Options
>
Install
. In
other applications, select the installation file to start the
installation.
During installation, the device displays information about
the progress of the installation. If you install an
application without a digital signature or certification,
the device displays a warning. Continue installation only
if you are sure of the origin and contents of the
application.
To start an installed application, locate the application in the
menu, and select the application.
To see which software packages are installed or removed and
when, select
Options
>
View log
.
Important: Your device can only support one antivirus
application. Having more than one application with antivirus
functionality could affect performance and operation or
cause the device to stop functioning.
After you install applications to a compatible memory card,
installation files (.sis, .sisx) remain in the device memory. The
files may use large amounts of memory and prevent you from
storing other files. If the .sis file is a message attachment,
delete the message from the Messaging inbox.