[Fire Emblem - Shadow Dragon] still not working.........

My game freezes everytime i got into battle animations on the Europe version.I already download the US one but still, it freezes again.Does any 1 know why is this keeps happening ??I use supercard SD rumble btw.

Backup and format.

is it working now?
its not working to my nds too,
i use R4

its says unable to read game data.
what should i do?
i really like to play this game..

You should read here: https://www.romulation.org/forum/index.php/topic,1462.0.html

Nope, still not working.I already format it yesterday but the results are the same.Playing fire emblem w/o battle scenes,man, that sucks !