Before downloading the driver, you need to verify that your device allows the installation of non-Market applications. To do that, "Unknown Sources" button needs to be checked
This option is either under Settings -> Applications or under Settings -> Security.

Click here to download the CSG TechNet Application. You can see the downloaded file in the notification tray. Select it to install.

After the installation is complete, you may uncheck "Unknown sources" again.

The latest version of Technet is 1.1.6. The latest version of CSG GpsMobile is 1.0.2. If any of the versions installed on your cellphone are lower than these, please upgrade.
Upgrade if you have an older version of CSG TechNet Application