Castlevania DS games having problems

Ey. More problems from me and these issues I hear are common issues.Portrait of Ruin. Occassional Freezing of game when a new menu is opened. Audio continues to play while top screen's cursor doesn't blink and bottom screen is black.Dawn of Sorrow. Saves are corrupt and always auto-Delete.Any solutions for these yet?

https://www.romulation.org/forum/index.php?topic=1462.0

Okay, and how do I attach a firmware to update my flashcard?And what of this PoR error I constantly find? I've honestly tried every single thing. It freezes on occassional window changes and whenever you talk to "Wind"

You overwrite all your previous firmware files with the new files you download. Also, backing up and format your MicroSD should fix it.