There are so many flashcard in the market, first, if you want to play 3ds games on your 3ds console, you have to buy gateway 3ds, but gateway 3ds just support 3DS v4.x - v4.5, cannot work on 3ds console which system above v4.5. So check your 3ds system version before buy gateway 3ds.

Then if you want to play ds games on your 3DS, there are so many flashcards in the market, which one support 3DS v6.3.0-12? Let's collect them:

1. DSTwo

This stronggest flashcard no doublt support 3DS v6.3.0-12 perfectly, you can use it out of box, no need any updating. It work on 3DS v6.3.0-12 directly.

2. R4i Gold 3DS

This r4 card is the best r4i card (http://www.game4deal.com/index.php?main_page=index&cP...) in the market at the monment. If you think dstwo is a little expensive, and don't want to buy dstwo, then the r4i gold 3ds is your best choice. R4i Gold 3DS work on 3DS v6.3.0-12 directly too, means no need updating, you can use it when you get it.

3. R4i SDHC 3DS RTS

If your r4i sdhc 3ds rts card work on 3DS v6.2.0-12 with no problem, then it can support v6.3.0-12 too, no need be flashed and work perfectly. If your r4i sdhc 3ds rts card cannot work on v6.2.0-12, you need use the latest kernel to flash your card.

4. Ace3DS PLUS

The new ace3ds plus which launched after 3rd Sep. work on 3DS v6.3.0-12 directly, no need any updating. But for the old ace3ds plus which launched before that date, cannot support v6.3. So before buy ace3ds plus, ask the store first, make sure the ace3ds plus you bought is the newest one.

5. R4i sdhc dual core

This card also called r4i white card, very popular in europe, if your r4i dual core is the "2013" version, it can work on 3DS v6.3, but you need download the update patch and use dsl or dsi to flash your card. If your card is "new" version, that card cannot work on 3DS v6.3

6. R4i sdhc rts

This card also called r4i silver card, it is as same as r4i dual core, they are belong same company, check your card lable first, if there is "2013" mark, your card can be updated and work normal, if there is "new" mark, it just support v6.2 or below.