R4ITT.NET released two flashcarts - R4ITT
Purple and R4ITT
Black. Now r4itt.net has unified the packages of these R4ITT cards, users can tell the difference by the color of cartridge.
Remember do not mix their kernels and firmwares, or R4iTT will not work on your consoles.
Both R4iTT cards supports Nintendo 3DS, DSi XL, DSi, DS Lite and DS.
R4iTT Kernel Download
Download official R4iTT Kernel, Please install the right kernel.

R4iTT Firmware Update Patch
Firmware patch for DSi 1.43 and 3DS V2.1
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@r4-ds-au.com. We will respond within 24hours.