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When using REIN/RAIN or eepininator to copy a save file to an original cart (or the other way around) does anyone know what the impact will be on the WiFi (friend) codes if it is a WiFi game?
For example, I played my original cart of Tetris seperately from the rom I have - so it has a different code with this DS than the rom I have on my M3. So if I transferred the data save file from my rom to the original, will the original cart have the code that is with the rom? Or am I just mixing this up?
For example, I played my original cart of Tetris seperately from the rom I have - so it has a different code with this DS than the rom I have on my M3. So if I transferred the data save file from my rom to the original, will the original cart have the code that is with the rom? Or am I just mixing this up?






