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you will be given a warning about the problem but you can still decide to proceed with installation at your own risk. In general it is recommended that you install only from SIS files where the vendor identity and file integrity can be verified.

Note Installation of uncertified applications may cause your system to crash and all your data will then be lost.

MIDP applications run in a protected environment with no access to sensitive information so no signatures are required for MIDP JAR files.

From the P900

Program packages, for example, games, can also be downloaded to your P900 from the Internet or from a Memory Stick Duo. When downloading a file from the Internet, the installation will start automatically when the file is completely downloaded to your P900. The procedure below describes installation of application packages already in the P900 but not yet installed.

See ‘To download and upload files, for example, applications’ on page 76 for information about how to download files from the Internet.

From a PC

PC Suite for P900 must be installed in your PC and the P900 must be connected to the PC via SyncStation, infrared, or Bluetooth wireless technology in order to install applications from your PC.

Installing applications from your PC

1.Connect your P900 to the PC via SyncStation, infrared or Bluetooth wireless technology. When connected, an icon is shown in the status area to the right in the taskbar on the PC.

2.Start the PC software Install Software and select the application (.sis file) to install.

3.Confirm to install the application in the P900.

4.Select target drive (phone memory or Memory Stick Duo). Download to the P900 begins.

5.Installation starts when the download is complete.

Installing applications in the P900

1.Select .

2.From the menu, select Applications > Install.

3.Select the software from the list.

4.Select Install. If the software is certified, an information dialogue will be shown with the name of the software, version and supplier. Select Install again.

5.Now, depending on the software, you may be prompted to replace a previous installation, select language, memory location and select other installation options.

6.Installation is complete. Select Done.

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Installing applications