Important:

Please note that not every Supercard DSTWO needs firmware fix!

Please follow the Supercard TWO Driver Setup Guide to setup the card first.

If you get the error message like this :

An error has occurred. Press and hold the POWER Button to turn the system off. Plase refer to the Nintendo DSi Operations Manual for details.

Please check the firmware version of your DSi or 3DS according to these two steps:

Click SETTING (with the Tool Icon) on the main menu
Check the right hand corner of the top screen which says VER 1.x.x

Then choose the correspondent firmware fix guide below to upgrade your Supercard DSTWO to be compatible with your DS console.