@David-TP my case , i hvn't update to 1.1.2 but what i did are - change wireless mode to performance and change back to high capacity - disable 2.4ghz on main and guest wifi, only leave IOT network...

thanks , will discuss further in email, will share here again if there is good result

@raven-au ofcoz i do try drop 3 problem still there, why i need 5 or 6 deco? when you purchase this category of product you expect to use 6ghz and 5ghz most of the time right ? thats why i did...

@David-TP thank for feedback, really need to make it work , this is my new house and i plan to use mesh network, so no lan cable to everywhere, just only lan cable to deco node total 5 deco be85 ,...

@David-TP i have 5 be85 about 50 clients main wifi 2.4+5ghz+6ghz guest wifi 2.4+5ghz iot wifi 2.4 2.4ghz not stable at all, cant connect, connect but no internet, 5ghz, 6ghz, swing up and down...