The Huawei HG8245H is a popular optical network terminal (ONT) device used by various internet service providers (ISPs) to provide high-speed internet access to customers. Like any other device, the HG8245H requires periodic firmware upgrades to ensure it remains secure, efficient, and compatible with the latest network technologies. In this write-up, we will guide you through the process of upgrading the firmware on your Huawei HG8245H device.