Software installationNortel Mobile Communication Client 3100 for Nokia User Guide 19Software installationThis section describes how to install, upgrade, and uninstall the NortelMultimedia Communication Client 3100 (MCC 3100) for Nokia on asupported Nokia device. There are two ways to install or upgrade theMCC 3100 for Nokia: from a computer or over the air.Before you install or upgrade the MCC 3100 for Nokia software from acomputer, ensure that your Nokia device and your PC are connectedusing a Universal Serial Bus (USB) cable and ensure that Nokia PC Suitesoftware is installed on your PC.Note 1: Ensure that your device has the correct date and time.Note 2: In some cases, it is necessary to remove the existingsoftware components prior to performing an upgrade. Check withyour system administrator or read the release notes beforeproceeding with an upgrade.Note 3: If you are upgrading from an earlier release, you mustperform an initial software installation, not an upgrade. Afterreinstalling the software, change the MCG 3100 address on theSystems Settings screen if instructed to do so by your systemadministrator.Note 4: If you wish to use Hypertext Transfer Protocol Secure(HTTPS) with certificates, you should install the certificate prior toinstalling the MC 3100 client.Use the following procedures to install, upgrade, and uninstall theMCC 3100 for Nokia software.• “Installing the MCC 3100 for Nokia software from a computer”on page 20• “Installing the MCC 3100 for Nokia software over the air” onpage 21• “Upgrading the MCC 3100 for Nokia software from a computer”on page 23