The January 17, 2020 update now supports the latest 3DS version 11.13.0 update making the R4i B9S fully compatible. R4i-B9S is a new compatible DS/DSi flashcart that is pre-flashed NTRboothax. With R4i-B9S, you can easily install boot9strap and Luma 3DS CFW on your 3DS, NEW 3DS or 2DS, New 2DS XL console with any firmware version.
The R4i-B9S works on newest 3DS v11.13.0 and supports region-free 3ds games after installed B9S/3DS CFW.