Nighthawk M6 Pro 5 GHz Channel

[uculc]

In the default setting "Auto", my Nighthawk M6 Pro uses channel 149 for the 5 GHz WiFi. I live in Switzerland and to my knowledge this is not a valid channel for CH. Nor for the rest of Europe. I could of course select a channel by hand, but I would still prefer the router to stick to the local defaults. Can I somehow narrow down the channels?

[plemans]

You can go in through the netgear mobile app and change the 5ghz channels. Did you change the region on your device?

[uculc]

I can't find a setting to change the region. Where do I change it?