First of all
Download these two files.
Now Uninstall the original Dream League Soccer.
Install this downloaded Apk.
Now go to Android / obb
Create a new folder.
Folder name “com.FIFA18GOLDEDITION.dls3”
Now open this folder and paste the downloaded obb file.
Make sure the obb name is “main.60.com.FIFA18GOLDEDITION.dls3.obb”
Now open the game and enjoy.