I'm having a weird problem with Contra 4 on DS. I'm using a R4i, and all the firmware is the latest. The game runs fine, until it's switched off. Then on the next load up, the game is not executable. It doesn't even say anything about the game not being able to run, it just does nothing when I try to load the game, and the title of the game says "untitled". I'm thinking about just getting an alternate flash card like the ace kard 2 or something, but if there is a way to resolve this issue in the mean time, i'm all ears p.s: the game works again if i copy the rom again to the flashcard from the PC, but its just annoying doing it all the time.
May be incompatible with your firmware. Or it may be MicroSD speed issues. Try backing up your files, formatting your MicroSD and putting everything back on. Formatting program: http://www.sdcard.org/consumers/formatter/ Or try doing an Arm7 patch for the game. http://forum.romulation.net/index.php?topic=1462.0
