Amazfit Watch faces

When I click at developer mode, than scan, there is no watchface stored

The explanation it´s not clear. When I choose the watch face in the app and click on " show QR on the watch ", I wait the advertisement, than nothing happens, there is no QR code appearing at the watch. The old way to sinchronize , as amazfit GTR 4 is much better

The problem is after the installation of QR list. It´s not clear, and even I putting the URL code nothing happens

I have an Amazfit Balance and I'm having trouble downloading watchfaces. When I click on the "show QR on watch" option, it appears that the file has been downloaded, but when I open the Zepp application, click on developer options, then scan and open the gallery, there is no file there, and all the ...