Dg8245w2-10 Firmware Here
If the router is unresponsive (all LEDs off or steady red):
Sometimes the newest Dg8245w2-10 firmware introduces bugs (e.g., reduced Wi-Fi range or broken IPTV). Downgrading is risky but possible. Dg8245w2-10 Firmware
This wasn't a router. It was a sleeper.