@Alexandre. Yes i noticed one of Deco (the replacement one) has outdated firmware compare to other Deco. That difference is due to different version of Deco, the original Deco's version is 3.2 while...

@TP-Link Thank you for your response. I have brought the faulty Deco M5 to local service center for warranty check and replacement. Warranty claim was accepted and i got a new Deco M5 as replacement....

I recently bought 3 pack Deco M5, I have managed to get it all three node connected n functioning. But after a while one of the Deco is reported disconnected from the network, when i checked to the...