The save file for Inazuma Eleven Go Shadow is stored on the Nintendo 3DS's SD card. The exact location of the save file is:
By connecting two different versions via Local Play, players can access the Secret feature. This unlocks additional Competition Routes and is the only legitimate way to face the ultimate combined team, Team Zero . Inazuma Eleven Go Shadow Save File
If you are using an emulator or a modded 3DS, you can find the save file in these locations: : The save file for Inazuma Eleven Go Shadow
One of the most critical aspects of an Inazuma Eleven GO: Shadow save file is its ability to interact with a Light version save. Inazuma Eleven Go Shadow Save File