I solved my problem. I couldn't afford the time wasted by resetting like you suggested. hopefully tp-link will come out with a backup settings feature which is a standard feature on almost all other...

@Tony Copying files between computers is fast. Internet on each device is slow on both networks now, from the router to the clients but not from the router to the internet If I factory reset as...

On my new M9 plus, I get really great speeds uploading and downloading on the GUEST network. But on the MAIN version of the network, I get almost no internet. In fact sometimes I can't get any...