If you have the official Modern Combat 5 from the Play Store, uninstall it completely. The modded APK has a different signature; Android will block installation if signatures clash.
Secure the APK (the application) and the OBB (the large data file). Install APK: Open the APK file to install the game interface. Do not launch it yet. Place OBB Data: Modern Combat 5 Mod Apk - Obb
Upgrade your class (Assault, Heavy, Sniper, Recon, Bounty Hunter, Support, or Sapper) instantly. Purchase legendary weapons without grinding for hours. If you have the official Modern Combat 5
Open your file manager, locate the downloaded APK, tap it, and select "Install." Do not open the app yet. locate the downloaded APK