new DStwo V1.22 firmware update on August 7th, 2013.
It special fix the compatibility problem on 3DS V6.2.0-12 E/U/J system. Supercard DStwo V1.19 firmware update, it successfully break Nintendo 3DS V4.5.0 and DSi V1.4.5 system.
These devices are also known as "flashcarts" or "flashcards".
There are two main classes of flashcarts: older devices which fit in Slot-2 (the Game Boy Advance Game Pak slot) and newer devices that fit in Slot-1 (the DS Game Card slot).
The Super Card board could be used with other copiers that used the extra static RAM, providing they had a means of setting the RAM address.