R4iTT cart is the first flashcart which supports NDSi 1.41. R4iTT user can download R4iTT 1.41 Updation and has updation patch UpdateToolerV13.nds run before updating DSi console into V1.41. Easy to use. Or follow the Instruction of R4iTT 1.41 Updation Installation below.
Note: Users may call R4iTT Kernel differently as R4iTT Kernel, R4iTT Firmware, R4iTT Software.

Video Guide on How to Install R4iTT_3DS Firmware Updater Ver1.0 for R4iTT DSiXL 3D V1.6 which supports Nintendo 3DS now.

R4iTT Kernel Download Officially

R4iTT-3DS Kernel V1.01  (Mar 23rd, 2011)
R4iTT Kernel Download Official Page
R4iTT Kernel V2.20 (Mar 21st, 2011)
R4iTT Kernel V2.19 (Mar 3rd, 2011)
R4iTT Kernel V2.17 English (Jan 23rd, 2011)
R4iTT Kernel V2.16 English ( Jan 8th, 2011 )
R4iTT Kernel V2.14 English
R4iTT V2.11 Kernel English
R4iTT 1.41 Updation Patch

R4iTT 1.41 Updation Installation

1> Download the latest R4iTT V2.11 kernel and R4iTT 1.41 Updation;
2> Decompress both of them onto root directory of your Memory card;
3> Get r4i_flashdata.bin and UpdateToolerV13.nds two patches after decompression of R4iTT 1.41 Updation;
4> Do not update your DSi console into V1.41 before these two patches being updated on your R4iTT cart;
5> Power on DSi 1.41 with R4iTT & Memory card inserted;
6> Find and Run UpdateToolerV13.nds;
7> Do and Follow the Instruction from Screen, and Complete the Updation.

If any question, pls feel free and contact us to sales@r4wood.com. We will respond within 24hours.

R4iTT Kernel Related Link

      R4iTT V2.14 Kernel Review

      R4iTT V2.16 Kernel Review