This is a complete guide to the firmware. The DG8245V is a high-end GPON/XPON Optical Network Terminal (ONT) often used by ISPs (Internet Service Providers) like Vodafone, Claro, Oi, and others, typically for fiber broadband plans (500Mbps, 1Gbps, etc.).
Look for lines like:
Your firmware must match the first 3 parts (e.g., V500R019 ) and the hardware revision. huawei dg8245v firmware
If you prefer a hands-off approach, you can enable automatic updates via the HUAWEI AI Life App This is a complete guide to the firmware
If your router supports mobile management, this is often the most user-friendly path. Connect your phone to the router’s Wi-Fi. Huawei AI Life Select your router and go to Auto-update typically for fiber broadband plans (500Mbps