Upgrading the firmware on a Huawei EchoLife HG8245H ONT (Optical Network Terminal) is a critical maintenance task used to improve stability, patch security vulnerabilities, and enable support for newer hardware. Pre-Upgrade Checklist Source the Firmware

Place the new firmware file (e.g., HG8245H_V300R016C10S150.bin ) in the TFTP server’s root directory.

Download and install a TFTP server (e.g., TFTPD32) on your PC.

If you are looking for specific URLs, the most consistent sources are usually: