Na, You Just Need A Ds, A Ds Lite Or a DSI
The best solution would be the R4i gold edition. To get it working you need to download the 1.41 kernel from r4ids.cn then update with a NDSL or NDS then it should work just like old ones on your dsi. Nintendo updated DSi V1.4.2 version on May 2011. most flashcard were halt. Now the r4i gold V1.4.2 from r4ids.cn and r4i sdhc v1.4.2 from r4i-sdhc.com can support Nintendo DSi V1.4.2 version.
you need a R4i card
Both M3i Zero and R4i card can work on Nintendo DSi V1.4.3 console.
If your r4i gold Edition is old version, it has to be ugraded in a DS lite to support 3DS or DSi V1.42 console. But if it is new, it can work on Nintendo 3DS, DSi V1.4.3 or DSi V1.4.2 straightly. No need any update.
Nintendo DS/DSL/DSi are region free. Thus it does not matter where the hardware is from, it will play all games including all R4i cards. The latest r4i gold card from r4ids.cn is r4i gold 3ds card. It support Nintendo 3DS,DSi and DS console. with all versions, including EU DSi. R4i Gold from r4ids.cn support all DSi version. Such as: DSi V1.4.3, DSi V1.4.2, DSi V1.4.1 and DSi V1.4. It also support Nintendo 3DS, DS and DS lite. Good card.
A r4i is a flashcart for the Nintendo DS/DSi. Which means, you are able to play movies or Homebrew DS games. To do so, you need a Micro SD Card. R4i card is the upgrade version of r4 card. It support Nintendo DSi and before version. you can enjoy games and medias (such as music, movie, e-book) with a r4i card.
The R4i will work in all DSis with the 1.0-1.3 firmware. It will NOT work it your DSi has been updated to the 1.4 firmware.
Yes, since the DSi and DSi XL are the same, software-wise.
Of course, the r4i sdhc card can work on Nintendo DSi V1.4.2, DSi V1.4.1, DSI V1.4, DSi XL, DSILL, DS and ds lite. DSi V1.4u is also compatible.
You could get a R4 Chip (If you have Nintendo Ds or Nintendo DSI) It costs £35 (about) It is illegal but you can put up to 40 games on it! (Google R4) If you have a DSi or DSi XL its a bit harder. You have to get a R4i - But the thing is Nintendo Dsi and Nintendo DSi XL get updates which patch your R4i and stop it working. The only way to get it to work on a DSi is to NEVER update your handheald, updating is a manual process so it wont automaticly patch your R4i This is the DS option. If you want to get any game on the wii for free you need to solder chips in your wii, so its more difficult.
Of course, r4i gold card from r4ids.cn can work on Nintendo 3DS, DSi V1.4.3, DSi V1.4.2, DSi V1.4.1, DSiLL, DSiXL, DS and DS lite.
Yes