W
R4 DS by Team R4i Kernal 1.23 i found this and non patched gijoe worked for first r4ds cart
T
The last official firmware update for the original R4 is v1.18.
K
Yup, even though r4 v1.18 outdated, mine can run every NDS roms I download without any problem. (some games still need to be patched) :D