In some sense, I am glad that I am not the only one facing the issue. So, it is certainly an issue that warrants tp-link to look into and hopefully resolve soon. Allen, couple of questions for you...

I am a proud owner of the 3-pack Deco M9 Plus, which I just setup in my house less than 2 days ago. I updated most WiFi devices (now 17 and still counting) around the house to connect to the Deco,...