If you've managed to download the ZIP file but are encountering issues with it, ensure it's not corrupted. Try re-downloading the file.
To play the fixed version of FIFA 16, you typically need two things: the APK file and the OBB/Data Zip file (which contains the fix).
File Requirements:
Where to find the New Fix: Since official stores no longer host this version, you must rely on modding communities.
Note: Ensure the file you download matches your Android version (Android 5.0+ is usually required).
Instead of relying on the original server, a local or alternative server must provide the ZIP data.