Stop the tool, verify your static IP, and select the correct interface. Wrong firmware version applied.
What or LED light pattern are you currently seeing?
Observe the ONT's LED lights. The LAN light should flash rapidly, indicating that the bootloader has caught the network signal and is downloading the file. Step 4: Completing the Update Monitor the progress bar inside the tool.
Unless you are an electronics engineer, stick with the Huawei ONT Upgrade Utility for soft-bricks and the serial console method for hard-bricks.