If the upgrade fails or you see a message like "The file format is incorrect":
If you flash firmware designed for an HG8245H onto an HG8245A, you will likely "brick" the device (render it permanently unusable). You must check the label on the bottom of your device to confirm the exact model number. huawei hg8245 firmware upgrade download full
Here are some common firmware file versions for the Huawei HG8245: If the upgrade fails or you see a