Hallowplay

No, it's not colored, I don't have a pro version.

an important clarification is that it has never been opened, so perhaps cleaning the board will help

I've been using killite on a dna 60 board for more than 2 months now, and I've been using it carefully. There is a problem reducing the power as if the board itself presses the button - despite the new battery and holds the charge normally, but the problem is serious, it does not respond to the fire button. during power reduction . I hope the board is not dead and you can do something, because the device is not cheap.