Go to Settings > Apps > find any "Dream League Soccer" entry > Uninstall > Restart phone > Try again.
Dream League Soccer (DLS) Classic refers to the original version of the game (often identified as DLS 2015), which is highly sought after because it offers offline play dream league soccer classic obb file
No. Save data (your team, coins, career progress) is stored in /Android/data/com.firsttouchgames.dls3/files/ . The OBB file is the game data. Deleting the OBB forces a reinstall but does not delete your career (unless you delete the Data folder). Go to Settings > Apps > find any
This is the most critical question.
There are several reasons why players might prefer to use the classic OBB file: The OBB file is the game data
You have a previous version of DLS Classic installed, or you are trying to install a 32-bit APK on a 64-bit-only device (rare for this game, but possible).