How do I use my phone as a controller for DeX?

Are you interested in turning your smartphone into a powerful desktop experience using Samsung DeX? Well, let me ask you this - have you ever wondered how to harness the full potential of your device and use it as a controller for DeX? With just a few simple steps, you can connect your phone to a monitor, keyboard, and mouse, and transform it into a fully-fledged desktop system. But the question remains, how exactly do you go about using your phone as the controller for this setup? Stay tuned as we delve into the details and guide you through the process.