Vincy Hu on Twitter: "R4I-B9S PRE-FLASHED NTRBOOT SUPPORT ALL 3DS GAMES ON 3DS/2DS https://t.co/l7JHUQERuB R4i B9S flashcart is released by R4i-SDHC team, compatible DS / DSi flashcart that is pre-flashed ntrboot, you
2023 R4 Gold Pro SDHC for DS/3DS/2DS/ Revolution Cartridge With USB Adapter IT | eBay
R4 works fine on unmodded 3DS, gives error on CFW 3DS? : r/flashcarts