Hacking need help

[meerza8]

ok i have a m3 simply and a yugioh wc 2008 rom but every time i put it in the m3 it reads:
unable to read the data. please turn off the ds and reinsert the game card

NEED HELP AS FAST AS POSSIBLE, PLEASE!!!!!!!!!!!!!!!

 

[layzieyez]

Have you read the sticky? Please provide more details (like what kind of microSD card, computer operating system, version firmware you're using, etc.).