@Kevin_Z Sadly no, during this days I found that the problem occurs even without changing the settings and even changing the setting and rebooting. Here's some screens I took when the channel...

@Kevin_Z Yes the channel 44 was correcly selected and saved on the GUI, I saw the channel 36 on the wireless properties of the AX200 card. I made some other attempts, this problem comes up only if I...

Hi, I bought this router less than a week ago, but sadly I encountered an annoying issue: even selecting manually a certain channel on 5GHz band (channel 44 in my case), randomly my connected device...