You can do in in your Non-rooted Android device.
Cheat Details :
1.All Player Maxed to 100
2.Messi & Rolando Unlocked
4.All are Top players.
5.Works in Any version of Dream League
6.After this method of hacking you can update your game any time from play store.
-Install Dream League Soccer
-Open The game.
-After Opening Exit the game.
-Remove the game from Recent/History tab.
-Install ZArchiver from playstore
Download the profile.dat file
-Copy the Downloaded file
-paste the downloaded file inStorage/Android/data/com.firsttouchgames.dls3/files
Congratulations, You are done.Now open the game.
If do not work:
this is the easiest trick.No chance of Failure.And if still doesnt work please comment Down.