Acekard 2i Icon Comparison: Alex Rider, Dorasu, & Chessmaster

Acekard 2i, flashed with different versions of firmwares, have different icons on the DS menu screen such as Alex Rider, Dorasu , or Chessmaster Icons. These icons are the the DS game icons and they are embedded into the Acekard 2i cards through the bootstrapping process, which is also known as firmware flashing.
If your Acekard 2i has a have Alex Rider icon, it is only updated to run on DSi 1.4.1.
If your Acekard 2i has a Dorasu icon, it is updated to work on DSi 1.4.1 and the initial 3DS firmware 1.0.0-1.
If your Acekard 2i has a Chessmaster icon, it is updated to work on DSi 1.4.2 and 3DS 2.1.0-3.
Step by step setup guide for the Acekard 2i firmware flashing processing is available here: Acekard 2i Firmware Bootstrap.