Network optimization seems promising. It says my wifi channel is congested, i hit optimize and thennit says it's perfect now Then, I hit network optimization again, and I'm back to congested WiFi...

@TP-Link no issue so far. Just want to update my deco to use the latest firmware. I got the firmware from the tp-link site

@TP-Link_Deco hello.. I've tried to update using 1.4.3 , same problem. can't upgrade

@TP-Link_Deco I tried it. and it's not working I even go to the web interface of the remote/slaves deco. and still got some error message

@TP-Link_Deco >https://www.tp-link.com/support/faq/2892/ but there's M5 in the example.. :) >Just to confirm, do you mean you can see the 3 E4s on your Google Home/Assistant but cannot control it?...