Nokia N97 - Manual (Page 144)

details . Control the use of digital certificates in
Certificate Management.
● 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.
To install an application, do the following:
1. To locate an installation file, select Menu >
Settings and Application mgr. . Alternatively,
search 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 shows 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. If the
application does not have a default folder defined, it is
installed in the Installed apps. folder in the main menu.
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. To maintain
sufficient memory, use Nokia Ovi Suite to back up
installation files to a compatible PC, then use the file
manager to remove the installation files from the
device memory.If the .sis file is a message attachment,
delete the message from the Messaging inbox.
Remove applications
Select Menu > Settings and Application mgr. .
To remove a software package, select Installed
apps. > Options > Uninstall . Select Yes to confirm.
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