m3

what is m3 for ds? is it like r4? coz one of my friend wants to know how to update it.... anyways is it the same process to download the games and update its firmware?

No need for 2 topics asking the same question so I deleted your other thread.http://linfoxdomain.com/nintendo/ds/You can get firmware updates for an m3 as well as other flash carts here.