Clearing Animal Crossing: City Folk PID (in order to use existing save on Wiimmfi)

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      Clearing Animal Crossing: City Folk PID (in order to use existing save on Wiimmfi)

      I would like to play Animal Crossing: City Folk on wiimmfi, but would like to use my existing save file (rvforest.dat). I'm familiar with hex editing and would like to remove the existing Profile ID/Friend Code from my save file.

      From some research, I've read that the PID is stored in offset 40-43 (assuming this is correct), and that the checksum needs to be updated:

      The data you are trying to edit has a checksum at offset 0x20. The checksum is calculated over 0x111C bytes of data, starting at offset 0x24 and ending at 0x1140.


      I modify the data at offsets 40-43 to '00 00 00 00' and then update the checksum at 0x20. However, AC:CF still complains that the save is invalid.

      Am I doing something fundamentally wrong or am I missing any information?

      Thank you!