@David-TP after a quick test, it seems the whole issue is resolved by using 20Hz as 2.5G band, it seems like some devices struggle using 40Hz. Good feature to be included though, being able to select...

@David-TP Thanks for the info and the Upgrade, I've upgraded my Deco devices already, I'll be testing 2.5G network using multiple channels.

Devices using 2.5G wifi network are disconnecting constantly, speed is slower than usual... I also verified with my older Wifi router and 2.5G works normally with it, it seems like Deco BE75 has a...