The security risk and technical hurdles are too high. You will spend 4 hours hunting a file, 2 hours trying to move the OBB, only to have the app crash to a black screen.
The OBB file is corrupted or incomplete. Fix: Re-download the OBB from a different Mediafire mirror. Compare the file size with online forums (should be ~1.3GB exactly).
Q: Is it safe to download FIFA 12 APK OBB from Mediafire? A: While Mediafire is a legitimate file-sharing platform, be cautious when downloading APK files from third-party sources. Make sure to scan the file for viruses and malware before installing it.
If you own a secondary older smartphone (Samsung Galaxy S4, Nexus 5, etc.), FIFA 12 runs like a dream. The touch controls are intuitive—swipe to shoot, tap to pass, tilt to move (though you can switch to a virtual joystick). The Manager Mode alone offers dozens of hours of gameplay.