R4i Ultra Firmware update for NDSi 1.4
click here download the update firmware for r4i Ultra
Unzip the compressed file, and you will get "r4ifw_update_14_DSi.nds"
Copy the file on to your memory card, and insert it into your R4i Ultra, then running the file one your NDSL machine.
follow the instruction on your screen, once the update reach 100%, then it is ready to use it on NDSi 1.4 machine. Enjoy!!