Deleted save files with Wood R4 1.56

Discussion in 'R4 DS' started by Coldfingaz, Mar 29, 2013.

  1. Coldfingaz
    OP

    Coldfingaz Newbie

    Newcomer
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    Mar 16, 2010
    Malaysia
    Since updating to Wood R4, my save files have been getting deleted after a few hours of play. This happened after 26 hours in Pokemon Black and about 10 hours in Advance Wars: Dual Strike. This problem has never occurred when I was using the original 1.18 firmware. Is this a problem with the SD card or firmware?

    Note: I'm using the original R4.

    Thanks in advance!