I got this router new and use it as a router for my ethernet internet.
I managed to spoof the mac and to disable cwmp but
i would like to enable 40mhz.
now i can choose auto(20/40mhz) in the settings but nothing happens.
i have ssh access with user tech but
trying to use wlctl does not work
[tech]=>wlctl chanspec 11/40u
wlctl: Bad Channel
please help me