Serial doesn't matter, you just need one that's for your model (switch, lite, or oled)
the same one for mariko works for erista as well btw
Some have had luck adapting the lite chip to the oled but I wouldn't recommend it when there are oled-specific ones.
the same one for mariko works for erista as well btw
Some have had luck adapting the lite chip to the oled but I wouldn't recommend it when there are oled-specific ones.