2011-11-28
New firmware v2.1 doesn't need the upgrade file any more.
(The kernel for v2.1 is multi-language)

Download kernel(v2.1) here
2011-07-08
R4infinity V1.4.3 firmware upgrade (after upgrade,it can play games on ndsi 1.43 and 3ds 2.1 console)

Download V1.4.3 firmware here
2011-06-14
R4infinity 3DS V2.0 and NDSi V1.4.2 firmware upgrade (after upgrade,it can play games on 3ds 2.0 and ndsi 1.42 console)
Download 3DS V2.0.0-2 and NDSi V1.4.2 firmware here