PREMIUM HD LOADER Tool V1.2.0 - 27.06.2022 - 1. Connect pc and box with rs232. - 2. Open ALIUP.exe pc tool, choose right COM port,press "Open" button to select right file to update. - 3. Press "Start" button to start upgrade. - 3. Restart box, then it will upgrade automatically. - 5. After it finish the upgrade, power off and power on box. Be careful, if there is any problem happened, error message will be showed on PC tool and frontpanel LED.