re305 v3 shown as unknown device in tether but cloud did work after loging out of tp-link cloud, I can no longer login again with error request timed out tether app has worked without tp-link cloud be

I have an issue where if I set my re200 to a DFS channel(52-140) at 140 or any other, after 30 mins goes back to a non-DFS channel

Please give me the main complaints email. not support.uk@tp-link.com because that's just the live chat support

re-200 wont go above channel 36