@Lomka And i didnt use 5ghz, So 2,4ghz works good. But Now i need to jsem 5ghz And IT doesnt work

@David-TP Already tried change it. Didnt help

@David-TP

@David-TP Hello David, In all devices. Pixel 6, Galaxy S23ultra, Samsung TV, laptops iMac Pro, MSI. Its working Fast on 2,4ghz but if i switch on 2,4 +5ghz Its stop working properly even if i switch...

Hello, I am using my Deco X90 in 2,4ghz and works perfect. But if i swap to 2,4 and 5ghz or only 5ghz the Speed drops from 50mbps to 0,2mbps. So Its not working And i can use just 2,4ghz. How i can...