I threw out a few days from my life to understand how to flash it, and to fix the firmware itself. Out of the box, it works with via and vial, but without additional. functions like combos or tap dance, although that's what I was counting on. I had to look for solutions.
After creating your own firmware, until you managed to make it work with VIAL, only with the VIA web interface, but when you start poking around in keymap. C, in principle, all sorts of interfaces are no longer important to you. Although it would be nice and convenient. If someone has experience in setting up VIAL, then share it, I will be grateful.
I hope that soon its support will be added to vial.
So far, there is no ready-made firmware for it on the github. And I could not compile the firmware for vial.
VIAL provides deeper and more flexible customization than VIA.
I can't get past such a nuance as opaque plastic on the keys. That is, I thought that the engraving under the letters would shine through, but they are simply applied with paint. Accordingly, in the dark, you can see the gaps between the keys, but the keys themselves are not. But I think that this is a minus only for those who can not print. For if a person takes the clave for printing, then his fingers themselves remember everything, and he does not need any illumination anyway. And a simple user for games or for rare office tasks does not need such a keyboard at all. There are much simpler and cheaper solutions. In general, the logic of the manufacturer is clear.
But if you think about it, it's all right. The letters are printed in white so that in wireless mode you do not turn on the backlight and put the battery down once again, and so that everything can be seen. If you make them transparent, then without highlighting the letters will be hard to read. So everything is logical and correct.
So it's a feature, not a minus. In place of the manufacturer, I would be guided by the same logic.