Navigate to the phone's Android/data/com.urbandemons.remake/files/saves/ directory. Move files via USB or Cloud to your device.
If your game crashes or throws an "Invalid Save Data" error after a file swap, use these quick troubleshooting techniques: urban demons remake save file
If you are playing through a platform like Steam, check if Steam Cloud sync failed. Try disabling and re-enabling it. Navigate to the phone's Android/data/com