well...im having a little trouble and i just wanted to know if using flash softwares and carts messes up your ds systems...cause ive been using my m3i0 for a while know and my dsi wont even detect it in the card slot...ive tried everything....replacing the memory card and i had my dsi checked and it was in good condition except for the l and r buttons... but my bro says its my m3...any advice?