Reliable official reseller: http://www.r4flashcart.com/9-r4i-sdhc-3ds-rts-flashcart-for-3ds-xl-3ds-dsi-and-ds-lite.html Price: $17.5 (no tax , free shipping) The R4i-sdhc 3ds rts is a budget flashcard which intends to deliver high compatibility and solid build at reasonable price. In addition, this cart comes with more advanced features such as in-game free cheat, real-time save and multi-media etec. It is comaptible with the most recent version DS, DS Lite, DSi, DSi XL, 2DS, 3DS or 3DS XL. Like most flashcarts the r4i-sdhc 3ds card operates in what' known as DS-mode, meaning that even if you're using it in a DSi, DSi XL, 2DS or 3DS, it'll only play DS games. Below is the step by step guide on how to setup the r4i-sdhc 3ds rts card. Things you will need Step 1.Format the microsd card, download the latest kernel from the official website or r4flashcart. Assuming you've already downloaded the kenrel Zip file, open it in a program such as Winrar or 7zip. copy all the files and folders to the SD card root. Step 2. Insert the microsd card to the r4i-sdhc 3ds flash cart Step 3. Insert the r4i card to the 3DS XL Step 4.Power on your console and enjoy!