I want to choose the channel manually, because I used WirelessMon to check my network. I want to change it to a channel that few people use, but this is impossible. I scrolled through the Settings and didn't see this option. Even my 50$ old router can achieve this function. And I had a Deco M4R and 2 Deco M3W, they can't do it, too. TP-LINK, you guys are selling trash now!

I hope you can give the customer the power of choice, because the features are too common, I suspect you are restricting a lot of things. If you guys can do that, I will be very disappointed and give up this brand. 

Now my Deco M5 is working on 1.5.3 version firmware and Deco M4R is working on 1.4.3 

It gave me a very bad experience!