Games cannot Save

R4 SDHC
firmware v1.32Roms are completely playable
And All .SAV files match their .NDS counterpartsSaving within the game seems okay
But after I turn off game and then turn the game back on to play,
the save data is corrupted or the loading fails and I have to start
a new gamegames that do this are:
Phoenix Wright Ace Attorney
Phoenix Wright Ace Attorney: Justice for All
Digimon World Dawn

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