Blow will guide you on how to set up your / Acekard 2 cards. In addition, firmware upgrade is required if your console blocks your AK2i. And this instruction is only for genuine Acekard 2i / Acekard 2 cards, you can verify your AK2i if needed.

To be able to install DSi Custom Firmware make sure that you: Do not update to the latest official Nintendo DSi firmware. Some time ago I experimented with making my own custom firmwares for the Nintendo DS. The DS firmware is stored on a 256KB rewritable flash. Kaskade Fire And Ice Download Zippy here. Developer WulfyStylez at GBATEMP released “TWLTool” which can be used for downgrading system titles on Nintendo DSi/DSi XL. Aug 09, 2017 DSiWare Transfer Tutorial: How to Install Boot9strap (Custom Firmware) on New 2DS XL (11.4 - 11.6).