Ren’Py games generate a unique or Persistent Data string when they are first launched. When you move a save file (the .save files found in the /saves/ folder) to a new machine, the engine detects that the "origin" hardware doesn't match the "current" hardware. The warning is there because:
If you are modifying stats with an editor or moving an external file onto your PC, altering your system's global tokens will bypass the device verification wall. Step-by-Step Security Token Reset:
If moving files to Android, place the saves in the exact directory structure required by the app: Android/data/com.developer.gamename/files/saves/ . Method 3: Forcing Compatibility via Console renpy this save was created on a different device link
Modern iterations of the Ren’Py engine support the feature. This allows players to generate a linking code to upload saves to a central server and download them to another device. Turn on config.has_sync = True in your script.
: Find the folder where your game saves are stored. On Windows, this is usually in %APPDATA%/RenPy/[game_name] . On Android, it is within the game's internal data folder. Edit the File : Look for a file named security_keys.txt . Ren’Py games generate a unique or Persistent Data
Give you a on using the Ren'Py Sync tool .
To move your progress seamlessly without seeing this error every time, follow these steps: 1. The Manual "Copy-Paste" Method If you are moving saves manually: Windows: %AppData%/RenPy/game_name/saves Android: Android/data/com.developer.game/files/saves Step-by-Step Security Token Reset: If moving files to
If you encounter this problem, your best bet is the method, as it bypasses the file system entirely. Alternatively, you can try connecting your Android device to a computer via USB and using the computer's file browser to access the protected folders—though success is not guaranteed depending on your specific device and OS version.
Ensure the game version on your PC matches the version on your mobile device down to the exact patch number. Version mismatches will break save states.