R4i-SDHC Red is the champion
Shenzhen is the largest consumer electronics and accessories distributor center in the world.Located in southern China,next to Hong Kong,tons of fabulous video game and accessories available there. One of the most famous jailbreak cards is R4i-SDHC Red. Actually there are many members in R4 familily, however, as of today, R4i-SDHC Red is the champion,this card is the most popular and sold the most.
Why R4i-SDHC Red is so popular? Because R4i-SDHC Red is a Revolution product that support all DSi,NDSL,NDS,NDSXL,NDSLL, Able to memorize and restore to the previously selected game or application after restarting machine and soft reset,100% compatibible with all games.