How do you make r4 compatible with 3ds?

Answer:
The before r4 ds card can't be used in Nintendo 3DS console. But there are many new r4 3ds card, wich can run perfectly in Nintendo 3DS. Such as r4 3ds from r4idsn.com, 3ds card, r4i sdhc 3ds, r4i gold 3ds, acekard 3, TT 3ds and so on. Yeah!
First answer by Snowpan. Last edit by Snowpan. Contributor trust: 4 [recommend contributor recommended]. Question popularity: 1 [recommend question].