@Robert_M1973 Try enabling UPnP, SIP ALG & Beamforming; and disabling fast roaming. If you don't want to change it to AP mode, then you have to disable Wi-Fi on the provider router/set it to bridge...

@RichardW1963 So the "first Deco" is also a BE65? Did you try forgetting the WiFi network on the S10+, then connecting again with typing the password?

@19_pc_85 Have you tried main>> Satellite 1>> Satellite 2>> Satellite3 ?

@ruben_calle As ARGamingPK1 said, 5 Ghz band 1 (channels 36-48) is restricted in some countries for security concerns. Band 4 (channels 149-161) is allowed instead. Which country are you from? Did...

@matt6474 What's your Deco model? What's the hardware & firmware version? Did you try disabling fast roaming & enabling beamforming? If that doesn't work, try setting your Deco to Access Point Mode

@ARGamingPK1 Nope... using regular Wi-Fi backhaul. Sorry for not being much of help 😅