[binary data] ------WebKitFormBoundary--
But then she noticed something else in the serial dump—a hidden command she had never seen in the web GUI: Update Software in TOTOLINK ND300V2
Ensure your router is plugged into a stable power source. Do turn off or unplug the router during the upgrade. Back Up Settings: it needs the raw firmware file.
Bootloader v1.2 Checksum mismatch: Kernel Loading fallback... Update Software in TOTOLINK ND300V2
Ensure you extracted the .zip folder. The router cannot read compressed files; it needs the raw firmware file.