I have been away from my home and router for 9 months and when I connected to the router via WiFi from my desktop I was prompted to update the firmware. So, naturally, I said sure! However, after the process seemed to take I checked the router and it will only flash the amber power LED. Only after I started searching online did I read you're not supposed to update via WiFi as it can cause equipment failure. That would have been a relevant warning to put in with the prompt that asked me to update. What now? It won't turn on or respond to any number of power cycles or factory resets.