A: Not if you only replace the assets folder. Progress is saved in a separate shared_prefs folder. But always back up everything.
If your device is rooted, set folder permissions to 755 (rwxr-xr-x) and files to 644 (rw-r--r--). Non-root users usually skip this. Shadow Fight 2 Assets Folder Download
Copy the extracted files and paste them into the com.nekki.shadowfight/files/assets folder. A: Not if you only replace the assets folder
Your game crashes on startup due to missing .pak files. Shadow Fight 2 Assets Folder Download
Open the game without internet first to ensure the new assets load correctly. Risks and Safety Warnings