What is R4i-B9S flashcart ?
Note that it's not the original R4i SDHC 3DS RTS card - it is the latest R4i 3DS version released by the R4i-SDHC team. R4i-B9S is a B9S/3DS CFW supported flashcard with pre-installed NTRboothax/Magnethax.
R4i-B9S is a compatible DS / DSi flashcart that is pre-flashed NTRboot, then you can easily install boot9strap and Luma 3DS CFW on your Old/New 3DS or Old/New 2DS!
- All 3DS games are free to play
- Work on New 3DS, Old 3DS, New 2DS and Old 2DS in all regions
- Support popular Luma 3DS Custom Firmware
- Support SD card up to 128GB
- Suppots flashing from B9S to a NDS flashcart or reversely
Instructions: The definitive guide to 3DS custom firmware
Downloading: B9S Flasher V2.0(including guide)
- 1 x R4i-B9S Flashcard
- 1 x Magnet
- 1 x USB Reader
R4i-B9S Flashcard FAQ
Q: Can B9S switch to NDS flashcart to play ds games?
A: Yes, you can use a B9S flasher to switch.
Q: Can Nintendo patch this?
A: Nope! Not without a new hardware revision.
Q: My flashcard is blocked by my firmware! Can I still use R4i-B9S card?
A: Yes! The flashcard blacklist is not enabled on the bootrom.
Q: Why can’t this work with other flashcard?
A: The installation requires you to flash NTRBoot to the flashcard’s nand. Not all flashcards have this!
Q: Can you make sure it works?
A: Yes, we are the manufacturer, and we know best what the flash card should be done.
Q: Can I unbrick from a brick?
A: Considering the card has access to the bootrom, most likely yes! This can potentially unbrick any brick (except MCU), unless you’ve taken a knife to the motherboard.
Q: Does this work on the New Nintendo 2DS XL?
A: Yes. Perfect support for 3DS(XL)/NEW 3DS(XL)/2DS/NEW 2DS(XL)
Q: Can I do this with a 8GB (or smaller) SD card?
Q: Can I use a 128GB (or larger) SD card?
A: Yes, but some users have reported slowdowns when using such large sizes. Note that you cannot format the card with exFAT; you need to format it with FAT32.