i currently have 2 ds. one 3ds 6.3.0-12u using and another one using 4.5. r4 card shows bomber man game. i have downloaded the newest firware 1.74b. I need to upgrade the card so it can allow my other 3ds 6.3 to play the r4 card. when i have the 3ds version 4.5 to update my card ,IT WILL NOT allow me to update my card... it says support model NDSL NDSI 1.45 AND 3DS 4.5. How can i allow it to work with 6.3? how can i upgrade my card? Thank you for taking the time to help me out