Managers261Some applications may give the option of partialinstallation, allowing you to select the particularcomponents of the application that you want to install. Ifyou are installing an application without a digitalsignature or a certificate, the phone warns you of therisks. Continue the installation only if you are absolutelysure of the origin and contents of the application.Installing Java™ applicationsThe .JAD/JAR file is required for installation. If you have.JAD/JAR files, you can directly install by selecting .JAD/JAR files in the File manager or Application manager. If ithas been removed from the phone, you can downloadfiles from push messages or web page of variouscontents supplier, manufacture, and operator. If there isno access point defined for Application manager, you willbe asked to select one. When you are downloading the.JAR file, you may need to enter a user name andpassword to access the server. You obtain these fromthe supplier or manufacturer of the application.Java settingsTo change the security settings that determine theactions that a Java application is permitted to do, selectOptions → Settings.Note: Not all Java applications permit you to change thesecurity settings.