Hello Class, today we're going to learn one of the most important procedures concerning your BlackBerry, but also one of the easiest. As CrackBerry Nation knows, RIM is constantly developing and testing new software for all of its devices. So as true CrackBerry addicts, we like to keep up with the latest and greatest. Today's lesson is another step-by-step guide on upgrading your device's Operating System(OS) using the Application Loader method. We already have a BlackBerry 101 that guides you through the upgrade process using RIM's BlackBerry Desktop Manager software, but for many new to BlackBerry owners the AppLoader method is a bit simpler with less chance for error. Let the lesson begin!