On the N/3DS/XL (sorry 2DS friends), you can use Golem642's CtrRGBPAT2 homebrew application to make your notification light cycle RGB, that way you can become a real gamer.
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2ds users can use MCU Bricker btw!
I have mcu bricker too but barely use it
2ds users can use ctrrgbpat2 too bro 3ds models are not the only ones