I was thinking of installing boot9strap via extdata, which would be an alternate exploit of BannerBomb3 if BannerBomb3 doesn't work on some old 3DSes/old 2DSes, since skaterhax is new 2DS/new 3DS only. For example, we use the home menu extdata (0000008f, 00000098, 00000082, 000000a1, 000000a9...