================================================== ✔Open File Manager of your phone. ✔Navigate to download folder. ✔Click on Call of Duty: Mobile apk file ✔Allow installation of unknown sources if you haven't enable it yet by navigating to settings-safety and privacy- Install apps from ✔Unknown Sources ✔Now wait for file to install in your phone. It may can take upto 5-10 minutes depending on your phone perfomance. ✔Create a folder named "com.activision.callofduty.shooter" in (Android/obb) ✔Paste Call of Duty OBB file into the newly created "com.activision.callofduty.shooter" folder. ✔Now simply open the game and enjoy.