@Wayne-TP The problem still persists, even with my 5th newly unboxed device. For this device, I tried to stick with the factory firmware in very first hours, but still same result, so it appears to...

I also found the similar issue, even worse than the OP that it never sends any powerConsumption data to SmartThings (checked via SmartThings Advanced). My 4 affected devices were newly unboxed, added...