Do not skip these steps. A failed upgrade means a truck roll from your ISP.

Click or Choose File to select the downloaded firmware package from your computer. Click Upgrade to begin the process.

While the urge to update your Huawei HG8245 to the "full" latest version is understandable, the lack of official public downloads makes it a risky endeavor.

Based on community feedback, these are the most reliable for the HG8245 series:

Warning: Upgrading firmware can permanently alter device behavior or brick the router if interrupted or done with incompatible firmware. Only proceed if you understand the risks and have the correct firmware for your exact HG8245 model and hardware version.