@carbonneutral no these are v1.0 using since three years, all of bought from Amazon India. Yes, I am holded the reset for more than 10 secs. Nothing happened, one of the unit i was able to access...

I have 3-pack deco X55 all of have failed to boot. Stuck at orange light. Whick is strange. I am not sure what is issue. I tried power cycle, reset it also makes a strange noise of hiss.