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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 and software
Select Menu > Ctrl. panel > Data mgr. > App. mgr..
Scroll to a software package and select Options > Uninstall. Select Yes to confirm.
If you remove software, you can only reinstall it if you have the original software
package or a full backup of the removed software package. If you remove a software
package, you may no longer be able to open files created with that software.
If another software package depends on the software package that you removed,
the other software package may stop working. For more information, see the
documentation of the installed software package.
Application manager settings
Select Menu > Ctrl. panel > Data mgr. > App. mgr..
Select Options > Settings and from the following:
Software installation — Select whether Symbian software that has no verified
digital signature can be installed.
Online certificate check — Check the online certificates before installing an
application.
Default web address — Set the default address used when checking online
certificates.
Some Java applications may require that a message be sent or a network connection
be made to a specific access point to download extra data or components.
170 Security and data management