The official online servers for FIFA 16 Ultimate Team were shut down on , so you cannot "fix" the original EA servers to play online. To play the game today, you must use verified offline mods or standalone ZIP packages that include the APK, OBB, and Data files designed to bypass the server connection check. Verified Download Sources
Look for a file named na_settings.ini or phone_settings.txt . fix server fifa 16 zip file download android verified